A cell wall is a structural layer found just outside the cell membrane that surrounds some types of cells.
Fungi have cell wall , which is made up of chitin.
What are the functions of cell wall?A cell wall is a structural layer found just outside the cell membrane that surrounds some types of cells. It can be tough, flexible, and rigid at times. It provides structural support and protection to the cell, as well as acting as a filtering mechanism.
The main functions are cell wall is to provide structural strength and support, and also provide a semi permeable surface for molecules to pass in and out of the cell. It maintains the shape of the cell, protect it from burst out, provide protection against pathogens and regulates intercellular transport .
Protoplast is a living protoplasm of a living plant or bacterial cell wall has been removed, mycoplasma is Bacteria who lacks cell wall, animal cells also lack cell wall only Fungi have cell wall which made up of chitin.
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The autonomic nervous system is involved in controlling what effectors?
a) exocrine glands
b) skeletal muscles
c) cardiac muscle
d) smooth muscle
e) endocrine glands
The autonomic nervous system is involved in controlling a, c, d, e.
what is the Autonomic nervous system?
The peripheral nervous system's autonomic nervous system (ANS) is in charge of regulating critical processes like digestion, breathing, and heartbeat. In the acute stress response, it collaborates with the endocrine system to get the body ready for fight or flight.
Between the central nervous system and the internal organs, the autonomic nervous system acts as a relay. It regulates the exocrine and endocrine glands, smooth muscle, the heart, the lungs, and the heart. These organs are mostly under the autonomic nervous system's control, which is unconscious.
Hence from the above information, we get to understand that ANS helps to control systems, not in our control hence it will regulate all the given options except skeletal muscles as they are under control.
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The collection of transcribed rnas in a liver cell is identical to the collection of transcribed rnas in a muscle cell. True or false?.
False, The characteristic of rRNAs could be very comparable throughout all species. The center characteristic of the ribosome is largely the identical throughout exceptional businesses of organisms.
However, this doesn't imply the rRNAs are same among species. The real series of the nucleotides in rRNAs (and withinside the rDNA genes) does range among species.
All tRNAs have approximately seventy three to ninety three nucleotides that fold into 4 base-paired stems and 3 loops, a shape which seems like a clover leaf in measurement and. it is "L" fashioned in third-dimensional shape. The three' quit has CCA series. Attachment of an amino acid to the three adenosine yields an aminoacyl-tRNA.
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What is the opposite of photosynthesis?
- carbon fixation
- glycolysis
- aerobic respiration
- anaerobic respiration
Answer:
aerobic respiration and glycolysis
An earthquake decimates a ground-squirrel population. The surviving population happens to have broader stripes on average than the initial population. If broadness of stripes is genetically determined, what effect has the ground-squirrel population experienced during the earthquake?.
A Bottleneck effect has the ground-squirrel population experienced during the earthquake,
Bottleneck Effect- The bottleneck effect describes how a population's size is first decreased and then increased and how this changes how genetic diversity is distributed among its members.
Population- A population is the total number of organisms associated with the same species that really are present in a given location at the same time and have the potential to interbreed. Individuals need to be capable of reproducing with any other population members and have fruitful children for interbreeding to happen.
Species- A collection of creatures that can breed with each other in nature and have healthy offspring is referred to as a biological species.
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When do total lunar eclipses occur?(1 point) infrequently during the full moon infrequently during the full moon infrequently during the new moon infrequently during the new moon every month during the full moon every month during the full moon every month during the new moon
Lunar eclipses occur infrequently during the full moon. They do not occur during the new moon and do not occur every month.
Eclipses occur when the sun, moon and earth are perfectly aligned in a straight line. Depending on which body comes in the middle of the alignment, eclipse can be divided into solar and lunar eclipse.
A lunar eclipse occurs when the earth comes in between the sun and the moon in a straight line. Direct sunlight is blocked off by the earth, however, deflected light from the earth reaches the moon, giving it hues of red, brown and grey. It only occurs when the moon is at the lunar node (points where the moon crosses the earth's orbital plane). This rarely occurs because the orbital path of the moon around the earth is inclined at an angle of 5°, so it's not possible to see a lunar eclipse every month.
Lunar eclipse only happens when the moon is full because it is only during the full moon that the moon can be positioned behind the earth. One is more likely to see a solar eclipse during the new moon.
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An atoms atomic number is the sum of the protons and nuetrons in the nucleus.
true
false
Answer:
The answer is true
Explanation:
The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.
Which process of molecule transport would occur when a patient develops pedal edema?
Answer:
Osmosis of molecule transport would occur when a patient develops pedal edema.
Explanation:
An abnormal buildup of fluids inside the ankles, foot, and lower legs known as pedal edema causes inflammation inside the ankles as well as feet. There are two things that might make the feet swollen. Increased capillary leaking from the venous system can affect fluid to flow into the interstitium, resulting in venous edema. A person having hypertension and developing pedal edema owing to too much salt in the blood does have a blood pressure around 160/90 mm Hg. Water begins to flow down the gradient as a result. As a result, osmotic pressure causes the water within blood vessels to migrate between higher concentrations toward lower amounts all across semipermeable, which causes water to accumulate in extracellular spaces. This process is known as osmosis.
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Neurotransmitters bind to __________, which are protein structures on the surface of the neuron cell membrane. a. neural receptors b. cell bodies c. impulse docks d. axon terminals please select the best answer from the choices provided a b c d
Neurotransmitters bind to option(a)i.e, neural receptors which are protein structures on the surface of the neuron cell membrane.
A neuron releases a signaling chemical called a neurotransmitter across a synaptic gap to influence another cell. Any major body component or target cell that receives the signal may be another neuron, but it could also be a gland or muscle cell. Throughout the body, a chemical messenger called a neurotransmitter carries, amplifies, and balances information between neurons (sometimes referred to as nerve cells) and target cells.
Neurotransmitters are crucial for maintaining brain function by enhancing and balancing signals in the brain. They support the regulation of physiological processes like respiration and heart rate, but they also serve psychological purposes including learning and the control of emotions like fear, pleasure, and happiness.
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Answer:
A. neural receptors
Explanation:
I got it right, hope this helps :)
A cancer drug interferes with the development of mitotic spindle fibers during cell division. which phase is directly affected?
A cancer drug interferes with the development of mitotic spindle fibers during cell division prophase phase is directly affected.
Which cells undergo mitotic?Only eukaryotic cells go through mitosis. Binary fission is a distinct technique used to split prokaryotic cells, which are cells without nuclei. Different organisms go through different stages of mitosis.
Why is mitotic important?Multicellular creatures depend on mitosis to produce new cells for growth and to replace damaged or worn-out cells, such as skin cells. Many single-celled organisms use mitosis as their primary asexual reproduction method.
What are the four roles that mitotic plays?Tissue replacement or repair.Organismal growth.Unmarried reproductionDevelopment (of embryos)To know more about Mitotic visit:
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The zygote divides and implants into the wall of the uterus during which stage of prenatal development?
Germinal stage
The zygote divides and implants into the wall of the uterus during germinal stage of prenatal development.
What happens during germinal stage?When sperm and egg unite to create a zygote during conception, the germinal stage of pregnancy begins. During the germinal stage, the zygote begins to divide in order to be implanted into the uterine wall.After implantation, the embryonic stage starts.What traits define the germinal stage?activities throughout the germinal stage. An egg and sperm are converted into a zygote and then an embryo during the germinal stage using a variety of processes.Implantation, blastulation, cleavage, and fertilization are among the operations.How long does the initial stage last?The germinal phase lasts for approximately 14 days from conception to zygote (fertilized egg) implantation in the uterine lining.To learn more about prenatal development visit:
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What are the primary molecules making up plasma membranes in cells? group of answer choices
The primary molecules of the plasma membrane are lipids , protein , cholesterol and carbohydrates groups.
What is the plasma membrane?The plasma membrane also called the cell membrane, is the membrane found in all cells that seperate the interior of the cell from the outside environment. Plasma membrane provides protection for a cell. It also provides a fixed environment inside the cell.
The primary components of the plasma membrane are lipids , protein and carbohydrates groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made by glycerol ,two fatty acids and phosphate linked head group.
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When a gardener crosses a plant with red flowers with a plant with yellow flowers, orange-flowered offspring result. what mode of inheritance is exemplified by these flowers?
Incomplete dominance mode of inheritance is exemplified by these flowers.
Incomplete Dominance- When both alleles of a gene are only partially expressed at a locus, a phenomenon known as incomplete dominance occurs, which frequently produces an intermediate or distinct phenotype. As partial domination, it is also known. For instance, the red allele is dominant over the white allele in roses.
Phenotype- An observable characteristic is simply referred to as a "phenotype." Pheno, which has the same origin as the term "phenomenon," simply means "observe." It may therefore refer to anything from a common attribute, like height or hair color, to the presence or absence of a disease. It is also an observable kind of an organism.
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A 9th grade student in a biology class views a sample of pond water under a microscope. She observes unicellular organisms with cell parts including chloroplasts, a flagellum, and a nucleus. She observes the organism ingesting (eating) food for energy. Which kingdom is this organism in?
The organism will belong to the protist kingdom.
Plants and ProtistsThe plant kingdom consists of multicellular eukaryotic organisms whose cells contain an organelle known as chloroplast.
The chloroplast houses the chlorophyll which is a green pigment responsible for the capturing of solar radiation and gives plants the capacity to manufacture their own foods using photosynthesis.
Organisms in the protist's kingdom are also eukaryotic but strictly unicellular. Some of them have the capacity to carry out heterotrophic as well as autotrophic nutrition like plants.
The organism observed by the student is unicellular and contains chloroplasts. This means that the organism belongs to the protist's kingdom.
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Approximately how long should it take for blood that was collected in a non-additive plain red top tube to clot?
30 to 60 minutes
Approximately it takes 30 to 60 minutes for blood that was collected in a non-additive plain red top tube to clot.
How soon after blood collection should it be examined?Most of the time, a wet blood sample should be tested in the lab within eight hours after the blood collection event if it is stored at room temperature. The sample is normally kept in cold storage at +2°C to +8°C for a maximum of seven days if testing cannot be finished within that eight-hour window.Is it necessary to spin blood right away?Blood should be examined as soon as possible after being drawn, typically within four hours. Within two hours following the blood draw, the whole blood and serum samples should be separated. Depending on the testing requirements, additives like a clot accelerator, an anticoagulant, or heparin may be utilized.To learn more about blood clot visit:
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Two requirements are usually necessary for an organism to become fossilized: ______.
An organism must typically meet two conditions in order to become fossilized:
1) Organisms require hard parts like shells, teeth, cartilage, and bones.
(2) The organic material needs to be buried as soon as possible in a place that is oxygen-free and protected from scavengers.
Exactly who is a scavenger?An organism known as a scavenger primarily consumes decaying biomass, such as animal or plant matter that has gone bad. A lot of scavengers are carnivores, which are creatures that consume meat.
What are four examples of scavengers?Among the land scavengers are wolves, hyenas, jackals, and bears. Scavengers can be found in the air, including vultures, crows, ravens, and condors. In water, scavengers include lobsters, crabs, and several shark species.
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Why it is that proline is considered to disrupt a helix but histidine does not?
Proline can disrupt the helix while histidine cannot because of their difference in side-chain structures.
Proline is different from all the other amino acids as it contains a secondary amine rather than the amino group. The side chain of the proline forms a cyclic structure among itself, thereby creating stearic hindrance. Thus, making it unsuitable for the alpha-helix. This is why proline acts as a helix breaker.
Histidine is a positively charged amino acid with an imidazole functional group. Unlike proline, the side chain of histidine does not form a cyclic structure in itself and hence it does not act as a helix breaker.
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16. What is an enzyme?
Explanation:
Enzymes are proteins.They can catalyse different reactions they can be regulated in different ways with is very important to regulate the metabolism.Enzyms can catalyse different reactions bacause they have active center with help the molecules of the substrate to "meet each other" more easily and that lowers the the energy point needed for the reaction
Explain the process and bonds involved in the ability of RNA to fold into complex 3-D shapes, similar to those of tertiary proteins.
RNA molecules fold into complex 3-D structures when base pairing occurs between nitrogen base pairs. The bonds forned are hydrogen bonds.
What are RNA molecules?RNA molecules refers to nucleic acids which are built from ribose sugar molecules instead of deoxyribose as in DNA molecules.
RNA molecules as in DNA are composed of a sugar backbone, a nitrogenous base, and phosphodiester linkages.
The nucleotides found in RNA molecules are:
uraciladeninecytosine andguanineRNA is able to form complex 3-D structures even though they are single-stranded because of base pairing that occurs between adenine and uracil, and guanine to cytosine.
The bonds present in thebase pairs are hydogen bonds.
Hydrogen bonds are bonds which are formed between hydrogen and a highly electronegative atom such oxygen, nitrogen, chlorine, and fluorine.
In the RNA molecule, hydrogen bonds form betweenthe oxygen and nitrogen atoms of the either uracil, adenine, cytosine, or uracil.
These hydrogen bonds results in three-dimensional structures of RNA.
In conclusion, RNA molecules are single-stranded nucleic acids materials.
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An isotope is an atom with the same atomic number but different
Which element is a component of all proteins, all nucleic acids, chlorophyll, and is the primary component of air?
Nitrogen is a component of all proteins, all nucleic acids, chlorophyll, and is the primary component of air.
Since plants require nitrogen in the biggest amount of all other significant nutrients, it is the nutrient that limits crop productivity that is mentioned the most frequently. Nitrogen is a component that every amino acid needs to be functional. Proteins are composed of amino acids.Nitrogen is a component of nucleic acids, which make up the DNA of all living things and contain the genetic code.Nitrogen is present in chlorophyll, which is where carbs are created (photosynthesis). Chlorophyll is the substance that gives plants their green hue.Photosynthesis moves along quickly when nitrogen levels are sufficient.A plant usually grows swiftly if it obtains enough nitrogen. The leaves will also begin to turn a dark green color.Learn more about the Nitrogen cycle with the help of the given link:
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The physiological processes related to stress includes the liver releasing more _____ to nourish the muscles.
The physiological processes related to stress include the liver releasing more glucose to nourish the muscles.
What is Muscle nourishment?Muscle nourishment may be defined as the process through which muscles acquire essential nutrients like glucose for the proper functioning of the body. Muscles play an important role in the movement of the body from one place to another.
Liver stores glycogen in the form of sugar. When the body has an excess level of glucose in the blood, the liver, adipose tissue, brain, etc. convert this form of glucose into glycogen and liberates in form of glucose when the body feels its scarcity during stress conditions.
Therefore, the physiological processes related to stress include the liver releasing more glucose to nourish the muscles.
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The amino acids of the standard 20 contain sulfur atom(s) are _____________; all amino acids found in proteins contain a(n) amino group, except
All amino acids found in proteins contain a(n) amino group, except for proline.
What is amino acid?The building blocks of proteins are called amino acids. The building blocks of life are amino acids and proteins. Amino acids are the byproducts of protein digestion or breakdown. Proteins are created by the human body from amino acids to support the body: Destruction of food
Organic chemicals include amino acids. There are carbon-hydrogen bonds in organic chemicals. There is a basic structure shared by all amino acids. A hydrogen atom, an R-group, or side-chain group, a basic amino group, a carboxylic acid group, and a central carbon atom are all connected to one another by a molecule.
As the components of proteins, amino acids serve this purpose. Most chemical reactions that take place within cells are catalysed by proteins.
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An amoeba is a unicellular organism that takes in food by endocytosis. The
cells store small food particles in food yacuoles until they can be digested.
Which cell organelles must fuse with the food vacuoles so that an amoeba
can digest its food?
A. Lysosomes
B. Ribosomes
C. Nuclei
D. Mitochondria
SUBMIT
The cell organelles must fuse with the food vacuoles so that an amoeba
can digest its food is option A. Lysosomes.
A lysosome is a membrane-certain cellular organelle that incorporates digestive enzymes. Lysosomes are worried about numerous mobile techniques. They spoil extra or mobile elements. they may be used to damage invading viruses and microorganisms.
Lysosomes are worried about diverse cell processes. They spoil extra or cellular elements. they may be used to destroy invading viruses and microorganisms. If the cellular is broken past restore, lysosomes can help it to self-destruct in a manner called programmed cell demise, or apoptosis.
An amoeba regularly called an amoeboid, is a type of cellular or unicellular organism which has the ability to modify its form, frequently with the aid of extending and retracting pseudopods. Amoebae do not shape an unmarried taxonomic group; as an alternative, they are found in each fundamental lineage of eukaryotic organisms.
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The ___________ is the thin layer of the mucosa responsible for pulling the mucosa into its many folds which increases the surface area of the alimentary canal.
Muscularis mucosa
The Muscularis mucosa is the thin layer of the mucosa responsible for pulling the mucosa into its many folds which increases the surface area of the alimentary canal.
The mucosa's outermost layer is called the muscularis mucosa. Elastic fibers and 3–10 smooth muscle cells make up its structure, which is often divided into an inner circular layer and an outer longitudinal layer. From the muscularis mucosa, smooth muscle cells may expand into the lamina propria and the villi.Where can you find the muscularis mucosa?The oesophagus and the large intestine, particularly in the terminal region of the rectum, have exceptionally well-developed muscularis mucosae. Additionally, the villi or spaces between the tubular glands of the stomach and large intestine contain isolated muscle cells descended from the muscularis mucosae.To learn more about muscularis mucosa visit:
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Which musculoskeletal abnormality would the nurse suspect in a client who exhibits short steps and drags a foot?
Spastic gait is the musculoskeletal abnormality in which the client exhibits short steps and drags a foot.
What is spastic gait?The legs are stiff and bounce during a spastic gait or walk, and the feet have a propensity to circumduct and scuff. In extreme cases, increasing adductor tone can cause the legs to cross. Shoes frequently display an uneven worn pattern on the outside.
The typical clinical appearance of a spastic hemiparesis is an arm that is adducted, internally rotated at the shoulder, flexed at the elbow, with pronation of the forearm and flexion of the wrist and fingers. This is caused by spasticity of the arm and leg on one side. The foot is plantarflexed and inverted, and the leg is slightly flexed at the hip and stretched at the knee.
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In a membrane, the________of the phospholipids in one monolayer face the________of the phospholipids in the other monolayer.
In a membrane, the tail of the phospholipids in one monolayer face the tail of the phospholipids in the other monolayer.
What is cell membrane?The cell membrane is a biological membrane that separates and protects the inside of all cells from the outside environment. It is also known as the plasma membrane (PM), cytoplasmic membrane or plasmalemma (extracellular space). The cell membrane consists of a lipid bilayer, which is made up of two layers of phospholipids interwoven with cholesterol (a lipid component) to maintain proper membrane fluidity at different temperatures. Furthermore, membranes are composed of membrane proteins, such as those that cannot be separated across the membrane and function as membrane transporters, and peripheral proteins that simply attach to the outer membrane of the cell and function as membrane transporters. enzymes to help the cell interact with its environment. The integrated glycolipids of the outer lipid layer perform a similar function.To learn more about the membrane, refer to the following link:
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What is the difference between sex-linked traits and autosomal traits in humans?
The main distinction between sex-linked and autosomal inheritance is that the former happens through the genes on the sex chromosomes (X and Y chromosomes), whilst the latter occurs through the genes on the autosomes.
Because the X chromosome has many more genes than the smaller Y chromosome, the word is frequently used to describe features or illnesses that are caused by genes on the X chromosome in humans. Males are more prone than females to suffer from a sex-related illness because they only have one copy of the X chromosome. A genetic disorder or trait can be transferred from parent to kid via autosomal dominant inheritance. The genetic disorder can be brought on by one copy of a mutant (changed) gene from one parent.
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Anatomy and physiology:
Necessary life functions and survival:
Body systems work together to complete the ____ necessary for ____ These functions provide the items needed for the ____ of the whole organism.
According to the research, the correct options are functions, life and survival. Body systems work together to complete the functions necessary for life. These functions provide the items needed for the survival of the whole organism.
What are Body systems?It is the set of organs that make possible the functioning of basic biological functions, which are responsible for carrying out survival and reproduction processes.
In this sense, the organs interact with each other, carrying out functions necessary for life together and forming the systems and apparatus of the human body, whose proper functioning keeps us alive.
Therefore, we can conclude that according to the research, the correct options are functions, life and survival. Body systems work together to complete the functions necessary for life. These functions provide the items needed for the survival of the whole organism.
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Drinking water treatment includes removal of all dissolved chemicals. true false
Answer:
true
Explanation:
because it cleans you inside
is the energy pyramid a true representation of all elements in an ecosystem
Answer:
Below
Explanation:
Not necessarily. Everything is always subject to change and exceptions. However, they do a good job of representing the general idea of energy flow throughout the different parts of an ecosystem
