A complex assemblage of animals, plants, and their environment through which materials and energy move is known as ecosystem.
What is a ecosystem?All the organisms that live in an ecosystem are present, along with their physical surroundings. Through energy flows and nutrient cycles, these biotic and abiotic components are interconnected. Plant tissue absorbs energy from the system through photosynthesis. Animals contribute significantly to the flow of matter and energy through the system by eating plants and one another as well as.
Additionally, they affect the biomass levels of the microbial and plant communities. Decomposers help to promote nutrient cycling by transforming nutrients stored in dead biomass back into a form that can be easily utilized by plants and microbes. They do this by consuming dead organic matter and releasing carbon back into the atmosphere.
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Compare phasic and tonic contraction in smooth muscles. what tissues and organs are associated with each?
As for comparison, phasic smooth muscle displays rhythmic contractile activity and is associated with gastrointestinal and urogenital systems. While, tonic smooth muscle is continuously contracted and is associated with the large arteries and veins.
Biology routinely distinguishes between smooth muscle tissues that are "tonic" (producing a slow, sustained isometric contraction) and those that are "phasic" (generating a fast transient isometric contraction).
Smooth muscle is divided into tonic and phasic subtypes, but there are some significant functional differences between these muscle types.
The phasic smooth muscles function as unitary muscles, with action potentials spreading from cell to cell, resulting in coordinated phasic contraction, as seen in gut peristalsis.
While,
Tonic smooth muscle behaves as multiple independent units, or motor units, with graded changes in membrane potential of each unit, i.e., without action potential propagation, resulting in graded changes in force (tone).
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Which feature of borrelia burgdorferi would be most influential in leading a microbiologist to perform a negative stain on it, as opposed to any other type? group of answer choices
The feature of borrelia burgdorferi would be most influential in leading a microbiologist to perform a negative stain on it is Spirochetes.
What is spirochete?
Any of a group of spiral-shaped bacteria known as spirochetes (order Spirochaetales), often spelled spirochaetes, some of which are dangerous pathogens for humans and cause illnesses like syphilis, yaws, Lyme disease, and relapsing fever.
Gram-negative, mobile, spiral bacteria with a length of 3 to 500 m (1 m = 0.001 mm) are known as spirochetes. Spirochetes are distinctive in that they have endocellular flagella (axial fibrils, or axial filaments), the number of which varies depending on the species, and ranges from 2 to more than 100 per organism. The axial fibrils wind around the cell body, which is encased in an envelope, each attaching at the opposite end. Typically, spirochetes are found in a watery environment.
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The nipple is located near the tip of each breast at about the level of the ______ and it is surrounded by a circular area of pigmented skin called ______.
The nipple is about the level of the lobe and it is surrounded by a circular region of pigmented skin called areola.
Both female and male sexual anatomy include breasts. Breasts are both functional for lactation and sexual organs in females (bringing pleasure). Male breasts serve no purpose. The nipples and areolae are among the breast anatomy that may be seen. The nipple, areola, nerves, mammary gland, and other structures are among the many parts of the breast.
In females, milk exits the breast through the lactiferous ducts from the nipple, a raised area of tissue on the breast's surface, to feed an infant. Milk may passively flow through the nipple or may be expelled by the ductal system's smooth muscle contractions. The areola, which frequently has a darker hue than the surrounding skin, surrounds the nipple.
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Name the 6 sets of extraocular muscles and the cranial nerve that innervates each one.
Answer:
Each of the six groups of extraocular muscles is innervated by a different cranial nerve.
Explanation:
Superior oblique, inferior oblique, superior rectus, and inferior rectus are all located on the Cranial Nerve Number 3. The lateral rectus is located on Cranial Nerve Number 6.
The extraocular muscles are indeed the 7 extrinsic muscles of something like the human eye. These 4 recti muscles, both superior as well as inferior oblique muscles, and indeed the levator palpebrae superioris are the 6 extraocular muscles that control visual stimuli and eyelid lifting, accordingly. The location of the eye just at the time of muscle contraction affects the activities of the 6 ocular muscles.
The typical tendinous ring, the fibrous ring near the rear of the orbit, is the basis of a 4 extraocular muscles known as the recti.
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Which route of drug administration delivers drugs directly to the tissue where they exert their actions?
Answer:
The parental route delivers drug administration delivers drugs directly to the tissue
How do the winds and the ocean distribute heat throughout the biosphere?
a. living planet
b. water bodies
c. landforms
One way that the world’s ocean affects weather and climate is by playing an important role in keeping our planet warm. The majority of radiation from the Sun is absorbed by the ocean, particularly in tropical waters around the equator, where the ocean acts like a massive, heat-retaining solar panel. Land areas also absorb some sunlight, and the atmosphere helps to retain heat that would otherwise quickly radiate into space after sunset.
When water molecules are heated, they exchange freely with the air in a process called evaporation. Ocean water is constantly evaporating, increasing the temperature and humidity of the surrounding air to form rain and storms that are then carried by trade winds.
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Groups of three or more monomers are called ____________ and include ____________ .
Groups of three or more monomers are called polysaccharides, starch and include short-term storage. Monomers are small molecules, mainly organic, that can combine together to produce larger molecules, or polymers. All monomers can form chemical connections with at least two other monomer molecules. Monomers are small molecules, mainly organic, that can combine together to produce larger molecules, or polymers.
All monomers can form chemical connections with at least two other monomer molecules. Sugars, amino acids, fatty acids, and nucleotides are the four main forms of monomers. Each of these monomer kinds is essential to the survival and evolution of life, and each can be generated abiotically.
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The universal donor of rbcs, but not necessarily plasma, is blood type __________.
The universal donor of rbcs, but not necessarily plasma, is blood type O positive
If you have type O blood, you can only get type O red blood cell transfusions. But you can give your red blood cells to people with type A, B, AB, or O blood, which is why you are sometimes called a universal donor.
What is Blood group ?According to the presence or absence of antibodies and hereditary antigenic compounds on the surface of red blood cells, blood is classified according to its type. Depending on the blood group system, these antigens could be proteins, carbohydrates, glycoproteins, or glycolipids.
The four main blood types (groups) are A, B, AB, and O. The genes you inherited from your parents define your blood type. There are a total of 8 blood types, each of which can be either RhD positive or RhD negative.Learn more about Blood group here:
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In 3-5 sentences, explain how the rate of photosynthesis or cellular respiration can be measured using products or reactants.(4 points)
The rate of photosynthesis or cellular respiration can be determine by observing the rate at which oxygen is produced or carbon dioxide is produced respectively.
The reaction is an endothermic reaction type because the temperature of the surroundings decreases.
What is the rate of a reaction?The rate of a reaction can be defined as the rate at which reactants are consumed or the rate at which products are formed in a reaction.
The rate of photosynthesis or cellular respiration can be determine by measuring the rate at which oxygen is produce or carbon dioxide is produced .
What is cellular respiration?Cellular respiration is a group of chemical reactions that break down glucose to form ATP, which may be used as energy to power many reactions in the body. There are three steps of cellular respiration: glycolysis, the citric acid cycle, and oxidative phosphorylation.
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A __________ is defined as the living and nonliving elements in the area around an organism.
The elements around an organism, both living and nonliving, are referred to as a ______.
What is organism?
A unique creature, plant, or single-celled organism which is living.
Habitat or ecosystem is defined as the living and nonliving elements in the area around an organism.
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What neurotransmitter primarily affects motor function and is involved in gross subconscious movements of the skeletal muscles?
Dopamine is predominantly engaged in gross, unconsciously occurring motions of the skeletal muscles, which has an impact on motor function.
Dopamine is a neurotransmitter that predominantly influences motor control and is involved in large-scale, unintentional skeletal muscle contractions. Dopamine also contributes to emotional reactions. Parkinson's disease is characterized by a dopamine deficit and tremors or uncontrollable quivering motions in the sufferer. Acetylcholine contributes to the speedy transmission of nerve impulses by spilling into the synapse region. Norepinephrine affects arousal maintenance, dreaming, and mood modulation. Serotonin causes sleep, changes sensory perception, regulates temperatures, and plays a role in the regulation of mood.
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Select all of the following statements that are true concerning living organisms and how they acquire energy. check all that apply A. Cells, the basic unit of life, cannot survive on their own. Instead, all living organisms must obtain and use energy to live. B. Energy flows through a system by being captured, changing forms, used for work, and lost as heat.
C. Instead of a constant input of energy, energy is recycled by organisms.instead of a constant input of energy, energy is recycled by organisms. D. The daily food consumption of an organism provides the energy to support all the metabolic process required for the organism to live.
E. Life runs on mechanical energy from food.life runs on mechanical energy from food.
The statements that are true concerning living organisms and how they acquire energy include the following:
A. Cells, the basic unit of life, cannot survive on their own. Instead, all living organisms must obtain and use energy to live.
D. The daily food consumption of an organism provides the energy to support all the metabolic process required for the organism to live.
What is a living organism?A living organism can be defined as an organism that has an organized structure, cells, and possesses and show the characteristics of life.
Basically, some of the characteristics of a living organism include the following:
MovementReproductionNutritionIrritabilityGrowthExcretionRespirationDeathBased on the information provided, the statements that are true concerning living organisms and how they acquire energy include the following:
Cells are the basic unit of life but they cannot survive on their own. Consequently, every living organisms must obtain and use energy to live. The daily food consumption of a living organism provides the necessary energy needed to support all the metabolic process this required for an organism to live.Read more on a living organism here: https://brainly.com/question/26488154
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The ____ model focuses on promoting good health and good health practices to avert disease
The public health model focuses on promoting good health and good health practices to avert disease.
What do you mean by public health?Public health is characterized as the science of defending the security and enhancing the health of communities through instruction, the development of public policies, and investigation into the prevention of illness and harm. For each person, the term "public health" has a different meaning.
Therefore, a medical disease that substantially impacts a particular group qualifies as a public health problem.
Which three objectives define public health?The World Health Organization (WHO) states that the purpose of public health is to prevent illness, improve health, and extend life for the entire community.
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How many chromosomes are there in a cell
Answer:
Theres 46 chromosomes in a cell
When you use the higher magnifications on the microscope, focal adjustments should be made using the?
the higher magnifications on the microscope, focal adjustments should be made using the fine focus knob
What is magnification?
Magnification is the process of enlarging something's apparent size rather than its actual size. This enlargement is measured in terms of a calculated quantity known as "magnification." The term "minification" or "de-magnification" is frequently used to describe a reduction in size when this number is less than one.
Magnification frequently refers to enlarging graphics or images to view more detail, boosting resolution, using a microscope, printing methods, or digital processing. The viewpoint of the image is unaffected by image magnification in every situation.
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The __________ of the sperm contains enzymes involved in the penetration of the egg.
The acrosome of the sperm contains enzymes involved in the penetration of the egg.
By utilizing this maternal investment, the sperm is enhanced to spread the paternal genes; typically, it is extremely motile and streamlined for speed and efficiency during the task of fertilization. Only a small percentage of the billions of sperm generated during a human male's reproductive life actually succeed in fertilizing an egg due to intense competition amongst them. The tail, which directs the sperm to the egg and aids in its penetration of the egg coat, and the head, which houses a condensed haploid nucleus, are the two morphologically and functionally separate sections that typically makeup sperm. Because of the highly close packing of the DNA in the nucleus, transcription is stopped and its volume is reduced for transport.
Many sperm lack the somatic cell histones and instead have simple, extremely positively charged proteins called protamines packed within their chromosomes.
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There is no simple way to determine whether a website has an editorial process to evaluate the factual accuracy of the information presented. please select the best answer from the choices provided t f
It is true to say that there is no quick way to tell whether a website employs an editorial process to assess the veracity of the content provided.
How does the editing process work?When an author submits a document, a tracking number is assigned to it.The editorial office first checks the manuscript for quality to make sure the document is formatted correctly. The manuscript is allocated to an Editor in Chief, who chooses whether to submit it to a Senior Editor for review.What accomplishes an editorial?Editors assess a manuscript's potential and determine what works and what doesn't.Editors provide revision advice to authors to assist them improve their work.editors make the writing more readable by polishing it.Lastly, editors ensure that the text is accurate and prepared for publishing.
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Sodium reacts explosively with oxygen while iron does not. Which of the following is MOST responsible
for the differences in the chemical reactivity of sodium and iron?
The reason why sodium reacts explosively with oxygen while iron does not is the number of electrons in the outer electron shell.
What is reaction?In a chemical reaction, we have the combination of two substances to form a new substance. Now we have to recall that metals do have an order of reactivity. The metals that are more reactive are found at the top of the activity series and the metals that are less reactive are found below in the series. In this case, sodium is more reactive and is found higher in the series while iron is found lower in the series.
Recall that the activity series is arranged in the order in which the metals are able to loose electrons. The metals that loose electrons more easily occupy the u[per parts of the activity series of metals. Iron lies at the middle position but far below sodium in the activity series of metals.
As such, the reason why sodium reacts explosively with oxygen while iron does not is the number of electrons in the outer electron shell.
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Missing parts
Sodium reacts explosively with oxygen while iron does not. Which of the following is MOST responsible for the differences in the chemical reactivity of sodium and iron? O A. number of protons in the nucleus O B. number of neutrons in the nucleus O C. number of electrons in the inner electron shell O D. number of electrons in the outer electron shell
The enzymes found in lysosomes were synthesized by ribosomes located on the endoplasmic reticulum.
a. true
b. false
False. The enzymes found in lysosomes are synthesized by the rough endoplasmic reticulum.
What are lysosomes?Lysosomes are small spherical cell organelles that carry out the digestive functions of macromolecules and dead organelles. Thus, their matrix is largely contained by digestive enzymes.
The digestive enzymes found in lysosomes are synthesized by the rough endoplasmic reticulum. The rough endoplasmic reticulum appears rough as a result of the presence of ribosomes on its surface.
After synthesis, the enzymes are transported to the Golgi apparatus. In the Golgi apparatus, the enzymes are tagged for lysosomes through the addition of a mannose-6-phosphate label.
Thus, that the enzymes found in lysosomes are synthesized by ribosomes located on the endoplasmic reticulum is not true.
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Yeast cells are typically observed under 40x objective. the total magnification of the specimen is?
Multiplying the magnifications of the objective and optical lenses yields the overall magnification of a microscope.
To calculate the overall magnification, you must first determine the optical lens's power of magnification.
Ordinarily, the ocular lens magnifies ten times.
Check the objective lens's magnification capacity. The magnification is printed on the side of the lens. The previous value may have been 4X, 10X, 40X, or 100X.
The compound light microscope's overall magnification is calculated by dividing the power of the ocular lens by the power of the objective lens. For instance, using a 10X ocular and a 40X objective would result in a 400X total magnification. The compound light microscope can magnify objects up to a maximum of 1000X.
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Helicopter transport of patients was responsible for not only transport but also improved treatment of wounded soldiers due to in-flight care during:_________
Helicopter transport of patients was responsible for not only transport but also improved treatment of wounded soldiers due to in-flight care during the Vietnam War.
What is the Vietnam War?From 1 November 1955 to 30 April 1975, when Saigon fell, there was a war in Vietnam, Laos, and Cambodia. Officially, North Vietnam and South Vietnam engaged in battle during the second Indochina War. The Cold War-era proxy war is commonly regarded as taking place in North Vietnam, which was supported by the Soviet Union, China, and other communist allies, and South Vietnam, which was supported by the United States and other anti-communist friends. The United States' direct involvement ended in 1973 after a nearly 20-year duration.
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The collagen-rich ________ limits expansion of the nucleus pulposus when the spine is compressed.
The collagen-rich annulus fibrosus limits expansion of the nucleus pulposus when the spine is compressed.
Annulus fibrosus is the tough cartilaginous tissue that surrounds the sift nucleus pulposus. These two structures together form the intervertebral disc. It is responsible for the stability of the spine during rotation. The toughness of the annulus fibrosus is due to the collagen fibers.
Spine is the backbone present in the vertebrates. In humans it is formed of 5 different types of bones that are total 33 in number. The spine in necessary to maintain the posture of the body and keep it erect. It begins from the base of the skull and extends till the hipbone.
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If you made a change in the promoter sequence in the dna, what would happen at the rna level?.
No RNA would be produced if the DNA's promoter sequence were altered. No RNA would be produced since the RNA polymerase would be unable to detect and bind the DNA.
No RNA would be produced since the RNA polymerase would be unable to detect and bind the DNA. The RNA sequence would be altered as a result of the DNA mutation. The RNA would not be produced because the DNA helicase would not be able to identify and bind the DNA. The protein's secondary and tertiary structures would alter as a result of changes to the fundamental structure.A promoter, in the field of genetics, is a segment of DNA that proteins bind to to start the transcription of a single RNA transcript from the DNA downstream of the promoter.For transcription to take place, RNA polymerase must bind to DNA close to a gene. A location for an enzyme to bind is provided by promoter DNA sequences. TATAAT is the -10 sequence. On average, 35 sequences are conserved, however most promoters do not.Learn more about transcription here:
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True of false. mobility is the range of movement a joint can move while stretching.
True, mobility is the range of movement a joint can move while stretching.
Movement- Movement is the act or condition of moving the location or orientation of the body or a bodily part from one position to another. One of the key characteristics of living things is movement. Amoeboid, ciliary, and muscular motions are the three basic categories of movement.
Joint- The area of the body where two or more bones unite to allow for movement is known as a joint. Every bone in the body has at least one joint where it joins another bone, with the exception of the hyoid bone in the neck. A joint's function determines its form. The term "articulation" can also refer to a joint.
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The basic structure of the plasma membrane is a diverse collection of proteins floating within a lipid framework, which is often referred to as the ______.
Fluid mosaic model
The basic structure of the plasma membrane is a diverse collection of proteins floating within a lipid framework, which is often referred to as the fluid mosaic model.
Describe the fluid mosaic model.Phospholipids, cholesterol, and proteins are only a handful of the substances that are constantly flowing through the cell membrane, according to the fluid mosaic theory. This movement helps the cell membrane preserve its function as a partition separating the cell's internal and external surroundings.What are the fluid mosaic model's primary components?The creators of the fluid mosaic model are S.J. Singer and Garth L. Nicolson. According to this hypothesis, the plasma membrane of animal cells is made up of a patchwork of substances, including phospholipids, proteins, cholesterol, and carbohydrates. The fluidity of the membranes is due to these components.What makes the fluid mosaic model mosaic?Due to the following characteristics of cell membranes, which are depicted using a fluid-mosaic model:
The phospholipid bilayer is fluid; each phospholipid can move around in its place.When proteins are implanted in the phospholipid bilayer, a mosaic of components is produced.To learn more about fluid mosaic model visit:
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In what important way does receptor-mediated endocytosis differ from phagocytosis?.
Receptor-mediated endocytosis differ from phagocytosis because it only brings in specifically targeted substance.
Endocytosis is the process of bringing material into a cell by encasing the necessary material in vesicles. Either macromolecules or particles may be included in the substance to be ingested. A portion of the plasma membrane, which pinches off inside the cell to create an endocytic vesicle, surrounds them. Phagocytosis, pinocytosis, and receptor-mediated endocytosis are the three types of endocytosis.
The size of the vesicle produced during phagocytosis and pinocytosis differs from one another. In contrast to receptor-mediated endocytosis, which involves the entry of targeted macromolecules that are recognized by the particular receptors in the plasma membrane, phagocytosis involves the taking in of massive solid materials that form a huge vesicle termed a phagosome.
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______encourage the growth of good bacteria in the large intestines and an example of a good bacteria is _________________.
Probiotics encourage the growth of good bacteria in the large intestine and an example of a good bacteria is bifidobacteria.
Probiotics are the living microorganisms found in food items like yogurt and other fermented foods. Lactobacillus and Bifidobacterium are the two most common bacteria that belong to this group. Probiotics have a desirable healthy effect on your body. It helps the community of microorganisms in the body to grow healthier and strengthen the immune system.
Probiotics can help prevent antibiotic-associated diarrhea, necrotizing enterocolitis, sepsis, periodontal disease, and ulcerative colitis. Probiotics are even more helpful in various other health conditions like allergies, acne, dental disorders, etc.
Chocolates, yogurt, cheese, beer, kimchi, bread, buttermilk, etc are some food items that contain good bacteria for probiotics. Some more examples of probiotics include streptococcus thermophilus, Saccharomyces boulardii, etc.
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What are the limitations of classical conditioning in addressing the cognitive processes of humans?
Humans' thoughts, perceptions, and expectations impact the success of associating. Humans take into account the predictability of an event as well.
What is cognitive process?Thanks to a series of chemical and electrical impulses that occur in your brain during cognitive processes, you may understand your surroundings and learn new things. Numerous messages are produced by chemical discharges from neurons, which other neurons in the area then convert into conscious and unconscious thoughts. A few examples of cognition are procedural knowledge, emotional responses, and the conscious interpretation of your five senses. Complex mental processes including memory, learning, language use, problem-solving, decision-making, reasoning, and intelligence are also considered to be parts of cognition.Learn more about the cognitive process with the help of the given link:
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A traumatic injury to a joint involving the soft tissue (muscles, ligaments, and tendons) is a?
A traumatic injury to a joint involving the soft tissue is called a sprain.
Generally, 'soft tissue' is commonly used to describe muscles, tendons and ligaments. They connect, support and surround the bones. A traumatic injury to the ligament is called a sprain, and a traumatic injury to the muscles and tendons is called a strain.
A sprain or torn ligament occurs when the ligaments in a joint get torn due to a sudden movement so extreme, it exceeds the ligament's normal range of movement. In a joint, ligaments are inelastic, tough collagen fibers that connect two or more bones together.
When a muscle or tendon is overstretched and gets torn, it is called a strain or a pulled muscle. A tendon is a fibrous tissue that connects muscles to bones.
The major difference between a strain and a sprain is that a strain is an injury to the muscles and tendons, while a sprain is an injury to the ligaments. Both injuries are usually mild and can be treated at home using ice, compressions, elevation and rest.
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Complexing with calcium dipicolinate and small acid-soluble proteins (sasps) are mechanisms that protect the _____ of an endospore from harsh environmental conditions.
Complexing with calcium dipicolinate and small acid-soluble proteins (sasps) are mechanisms that protect the chromosome of an endospore from harsh environmental conditions.
endospore is a spore like body that is formed by bacteria in order to in order to deal with harsh environmental conditions. It remains dormant, tough and non reproductive till the suitable environmental conditions returns.
Complexing with calcium dipicolinate helps the bacterial endospore to resist the heat which crucial for facing the environmental conditions.
Small acid soluble protein or SASPs are known to protect the endospore from damage by heat, UV rays and enzymatic actions.
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