The correct option is (c) Concept ecological
Ecological species concept might differentiate species on the basis of specific dietary requirements.
What is ecological species concept?According to the ecological species idea, a species is a group of organisms that have adapted to a specific environment resource set, also known as a niche. This idea holds that populations tend to develop the discrete phenetic groupings that we identify as species as a result of the ecological and evolutionary processes governing how resources are distributed. Numerous studies in ecology, particularly those involving closely related species residing in the same region, have shown that variations in a species' shape or behavior are frequently tied to variations in the natural resources those species use.Learn more about the ecological species concept with the help of the given link:
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Determine fluid movement when hydrostatic pressure exceeds colloid osmotic pressure at the arteriolar end of the capillary?
Water pushes the capillary by filitration. The internet strain that drives reabsorption is the motion of fluid from the interstitial fluid lower back into the capillarie which is known as osmotic strain ,every now and then called osmotic strain.
The hydrostatic stress of the blood forces fluid the arteriolar ends of capillaries into the interstitial areas of the tissues . that of tissue fluid, water returns via way of means of osmosis to the venular stop of capillaries .
The hydrostatic strain is extra than the osmotic strain, so the internet motion favors water and different solutes being handed into the tissue fluid. At the venous end, the osmotic strain is extra, so the internet motion favors materials being handed lower back into the capillary.
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Classify the descriptions as pertaining to nucleosides, nucleotides, or both nucleosides and nucleotides.
Nucleosides - Do not contain a phosphate group, and are the product when a base bonds at C1 of ribose or deoxyribose
Nucleotides - Contain a base, a monosaccharide, and a phosphate group, are the monomers of nucleic acids, and can be named deoxyguanosine 5'- monophosphate
Nucleosides and Nucleotides - Are found in RNA and DNA, contain a base and a monosaccharide, and may contain either ribose or deoxyribose
What is nucleosides and nucleotides ?A nitrogenous base, typically a purine or pyrimidine, and the five-carbon sugar ribose are what make up nucleosides (bottom). A polynucleotide containing the carbohydrate ribose is referred to as a ribonucleotide or RNA. A nucleotide is simply a nucleoside with an additional phosphate group or groups (blue).
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Describe how distances in space are measured using the speed of light. Use Barnard's star as an example.
Distances in space are measured using the speed of light because light can travel through space and have very high speed.
How is distance measured with light?A light-year is a measurement that is used by astronomers to measure distance in space. A beam of light travels in one year about a distance of six trillion miles which is a very long distance. In a vacuum, light travels at the speed of 670,616,629 miles per hour. The speed of light is very fast so that's why the scientists used the speed of light for measuring long distance in space.
So we can conclude that distances in space are measured using the speed of light because light can travel through space and have very high speed.
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The genetic information carried by dna is in the ___________ and their __________.
The genetic information carried by dna is in the the linear sequence and their nucleotides
A nucleotide is one of the structural components, or the building blocks, of the DNA and the RNA. A nucleotide is consists of the base (one of four chemicals: the adenine, the thymine, guanine, and cytosine) plus a molecule of the sugar and one of the phosphoric acid. Nucleotides are the organic molecules consisting of the nucleoside and of the phosphate. They serve as the monomeric units of the nucleic acid polymers – also deoxyribonucleic acid and the ribonucleic acid, both of which are essential of the biomolecules within all the life-forms on the Earth.
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AHH HELP OMG :') Which of the following sets of features are adaptations to overcome the buoyancy aspect of the aquatic problem? Pick the best possible answer.
Tapetum lucidum, echolocation, electroreception
Caudal fluke, enlarged flippers, flattened tail
Insulation, repellant oil, altered metabolism
O Pachyostosis, osteosclerosis, gastroliths
Answer:
The second option
Explanation:
The nurse assists and educates clients on the difference between nonspecific and specific immunity. which descriptions are best to educate about humoral immunity? (select all that apply.)
C. Destruction of antigens by antibodies and Protects the body against circulating disease producing antigens and bacteria are the best to educate about the Humoral Immunity.
Antibody- A protein produced in response to an antigen by plasma cells, a kind of white blood cell (a substance that causes the body to make a specific immune response).
Antigen- Any substance that triggers the body's immune system to react negatively to it. Toxins, chemicals, germs, viruses, and other things originating from the outside of the body are examples of antigens. Antigens on body tissues and cells, including cancer cells, can elicit an immune response.
The given question is incomplete, find below the complete question,
The nurse assists and educates clients on the difference between nonspecific and specific immunity. Which would be the best description by the nurse to the clients about humoral immunity?
1. Destruction of antigens by antibodies
2. Destruction of antigens by T cells
3. Exposure to disease-causing organisms over one's lifetime
4. Protects the body against circulating disease producing antigens and bacteria
a) 3, 4
b) 1, 4
c) 1, 2
d) 2, 3
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Through which cellular interactions are the cells of the stratum basale firmly attached to the plasma membrane?
The stratum basale is a single layer of cuboidal basal cells attached to the basement membrane by hemidesmosomes that contain integrins. Adjacent cells are attached by desmosomes that contain cadherins
What is plasma membrane ?The membrane that divides the interior of the cell from the external environment is known as the plasma membrane, sometimes known as the cell membrane, and it is present in all cells. A cell wall is affixed to the plasma membrane on the exterior of bacterial and plant cells.
The inner cell organelles and the exterior environment are physically separated by the plasma membrane. Only a limited range of molecules can enter and exit the cell through the selectively permeable plasma membrane.Learn more about Plasma membrane here:
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HELP ME OUT ASPPP YOU WILL GET BRAINEST AND 20 points
Answer:
Electron
Explanation:
Electrons are on the outside protons and neutrons are in the middle
After you narrowly avoid a car accident, you begin to calm down. this response is influenced by the __________ nervous system.
Answer:
the answer is
Explanation:
when you done something like it your body will response with simple reflex action which and its response from the central nervous system
What term describes the number of plant and animal species present along with the variety of genetic material present in these organisms?
The term "biodiversity" refers to both the variety of genetic material present in these organisms as well as the number of plant and animal species that exist.
What is biodiversity and examples?The diversity of ecosystems, measured by their type and population, in which living things interact with one another and their surroundings is referred to as ecosystem biodiversity. For instance, the Earth has a variety of ecosystems, each with its own unique characteristics, such as deserts, oceans, lakes, plains, and forests.
The diversity of genes present in the living world is referred to as genetic diversity. Various genes and gene expressions exist between and within different species. Additionally, this genetic diversity leads to the diversity of life forms, their physical and biological traits, and, in some cases, phenotypes, depending on how those traits interact with their environment.
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Active tissues generate carbon dioxide, which diffuses out of the tissue into the bloodstream, to be carried away. is this diffusion into the blood a case of flow up a gradient, or down? explain.
The carbon dioxide is created in the active tissues, which are at the bottom of the concentration gradient and have the highest concentration.
Why is a concentration gradient significant and what does it entail?Understanding how ions and particles flow randomly in a solution or gas depends on the concentration gradient.It is the method used to move particles in a solution from a region of higher concentration to one of lower concentration.What function does the gradient in concentration play in diffusion?Therefore, the concentration gradient symbolises the idea that, during diffusion, molecules move down the concentration gradient in a manner similar to how a ball rolls down a hill. Diffusion rates will increase with increasing concentration gradients. The gradient evens out as the molecules move toward equilibrium.
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Rod-shaped bacteria synthesize new cell walls over the entire surface of the cell. True or false?.
Rod-shaped bacteria synthesize new cell walls over the entire surface of the cell. So the statement is true.
What is a bacterial cell wall?One thing to keep in mind is that not all bacteria have cell walls. Having said that, it is also crucial to remember that the majority of bacteria (about 90%) have cell walls, and these cell walls are normally either gram-positive or gram-negative.
A differential stain known as the Gram stain may be used in the lab to distinguish between the two distinct cell wall types. It was created in 1884 and has been in use ever since. At first, it was unclear why the Gram stain could reliably separate bacteria into two categories.
When the electron microscope was developed in the 1940s, it was discovered that variations in the cell walls were connected with staining variances. Gram-positive bacteria will stain purple after using this staining procedure, whereas gram-negative bacteria will color pink.
Therefore the statement is true.
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The genetic information carried by dna is in the ___________ and their __________.
The genetic information carried by DNA is in the bases and their sequence.
DNA is known to be the hereditary molecule through which information is passed from parents to offspring. Genetic information lies in the bases and their sequence for an organism.
The DNA is made of four nucleotides which are adenine (A), guanine (G), cytosine (C), and thymine (T). In the DNA, the nucleotide base adenine (A) pairs with thymine (T), and the nucleotide base cytosine (C) pairs with guanine (G).
It is the pattern of sequence of these four nucleotides which interprets the genetic information carried by the DNA in an organism. The sequence of the bases, through transcription, forms mRNA which is translated into proteins.
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The pharmacokinetic measurement of plasma volume that is completely cleared of a drug per unit of time is termed?
The pharmacokinetic measurement of plasma volume that is completely cleared of a drug per unit of time is termed as drug clearance.
Pharmacokinetics is defined as the study of the effect of any administered substance like drug or any form of medication into the body. There are four steps for the pharmacokinetics: absorption, distribution, metabolism, and excretion.
Plasma is the fluid present in the blood. It is a colorless liquid consisting of various proteins, fats and other substances. It makes up about 55% of blood's volume. It is the means of transport for the body. Plasma also consists of various immune cells.
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Cells first digest nucleic acids into nucleotides, then use those nucleotides to produce DNA and RNA inside the cell.
Which data would best support this argument?
Question 3 options:
A decrease in the amount of DNA and RNA produced by the cell.
An increase in the amount of DNA and RNA produced by the cell after it has taken in nucleotides broken down from raw fruits and vegetables.
A decrease in the amount of DNA and RNA in a cell after it has broken down the nucleotides inside the cell to use for energy.
An increase in the amount of ATP produced by the cell after it takes in nucleotides for energy.
The data that best support the agreement is as follows: an increase in the amount of DNA and RNA produced by the cell after it has taken in nucleotides broken down from raw fruits and vegetables (option B).
What are nucleic acids?Nucleic acids are chain-like biological macromolecules consisting of multiple repeat units of phosphate, sugar and purine and pyrimidine bases (nitrogenous bases).
Nucleic acids are the DNA and RNA found in the nucleus of living cells.
According to this question, cells first digest nucleic acids into nucleotides, then use those nucleotides to produce DNA and RNA inside the cell.
This suggests that the data that best supports the aforementioned argument is that an increase in the amount of DNA and RNA produced by the cell after it has taken in nucleotides broken down from raw fruits and vegetables.
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______ are carbohydrates that are not well digested by human enzymes, but they can be fermented by beneficial bacteria in the large intestine.
Prebiotics are carbohydrates that are not well digested by human enzymes, but they can be fermented by beneficial bacteria in the large intestine.
Prebiotics- Foods include whole grains, bananas, onions, garlic, and artichokes contain prebiotics. Additionally, probiotics and prebiotics can be found as dietary supplements and are added to select meals. The connection between the gut microbiota and illness is still being studied.
Fermentation- An anaerobic process called fermentation allows glucose to release energy even in the absence of oxygen. In addition to yeast cells, bacteria and animal muscle cells also undergo some sort of fermentation. For instance, yeast uses fermentation to create alcohol from sugar in order to get energy.
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Which is not evidence for the endosymbiotic origins of mitochondria and chloroplasts?
Mitochondria and chloroplast have similar DNA, which is not evidence for the endosymbiotic origins of mitochondria and chloroplasts.
According to the endosymbiotic theory, a chloroplast and a mitochondria were the independent prokaryotes. Both can be ingested by a large prokaryote and resist digestion. As a result, they continued as endosymbionts and eventually lost some of their autonomic properties. They divide by binary fission, have their own genetic material, possess 70s ribosomes, and Both include their own transcriptional and translational machinery.
Therefore, considering endosymbiotic origin theory, Both Mitochondria and chloroplast have similar DNA is not a piece of evidence.
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The links of all the interconnected pathways of energy and mater flowing through a community is called a?
The links of all the interconnected pathways of energy and matter flowing through a community is called a food web.
Energy is the fuel that any living organism uses to carry out its life processes. All the body functions require energy to be accomplished. Most organisms uses energy in the form of ATP. This energy is formed inside the body by the breakdown of the ingested food.
Food web is the interconnection of all the food chains in the environment. A single organism can be the part of multiple food chains in an ecosystem. Hence there are no fixed trophic levels of any organism in a food web. A food chain is of linear direction, but a food web gas a zig-zag pattern.
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If a case of anorexia nervosa has neared a medical crisis, the first step in treatment is to?
If a case of anorexia nervosa has neared a medical crisis, the first step in treatment is to restore adequate body weight.
Anorexia nervosa is an eating disorder in which a person has a fear of being overweight and thus avoids eating as much as possible. He is very concerned about his body shape and weight. He tries unhealthy routines to acquire a perfect body shape or indulges in unhealthy practices like vomiting after eating.
Anorexia nervosa can be diagnosed by oneself. Various symptoms associated with anorexia nervosa include fatigue, underweight, insomnia, abnormal blood count, excessive hair fall, etc. It can take over your life if not treated in time. Treatment may help you develop a better sense of your personality and can return to your normal diet to keep you healthy.
Younger people are more at risk. they become self-obsessed with their thin body shape and avoid treatment. This could be quite life-threatening. It can even affect your health and cause many problems like kidney disorders, heart disorders, low bone density, muscle loss, etc.
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Which three organelles are not associated with the golgi complex? what does this suggest about their origin
Centrioles, mitochondria, and nucleolus The golgi complex is not connected to three organelles.
Camillo Golgi initially noted the existence of the cell organelle that is now referred to as the "Golgi" in 1898 when he characterised nerve cells as having a "internal reticular"
Which of the following organelles is not a part of the Golgi complex in the endomembrane system?Because their functions are coordinated, the endoplasmic reticulum (ER), golgi complex, lysosomes, and vacuoles are grouped together as an endomembrane system. However, the mitochondria are not regarded as a component of the endomembrane system.
Which of the following organelles is not a part of the Golgi complex in the endomembrane system?lysosomes, vacuoles, the golgi complex, and the endoplasmic reticulum
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Epigenetics examines gene expression and how those with identical genes may have different.
Answer:
The field of epigenetics investigates how environmental factors and behaviour may alter how your genes function. While epigenetic mechanisms can alter how the body interprets a DNA sequence, these are reversible and never alter the DNA sequence as genetic changes do.
Identical twins provide excellent research subjects for examining the impact of epigenetic mechanisms, modifications to the DNA that regulate gene expression rather than the DNA sequence itself.
Even though twins are epigenetically impossible to distinguish in the first few years of life, we discovered that the older monozygous twins showed impressive differences in the quantities and dispersion of 5-methylcytosine DNA as well as histone acetylation in there own genomes, which had an impact on their gene-expression profile.
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A human develops a fever when ill. A dog pants when overheated.
Which characteristic of life do these examples demonstrate?
A. homeostasis
B. heredity
C. metabolism
D. growth
Worth 69 points
Answer:
a) Homeostasis
Explanation:
These examples represent homeostasis. It is the ability of an organism to regulate its internal environment. Therefore, the option (a) is the correct answer.
4) This morning you got up and ate a huge bowl of cereal. It gave you lots of energy that
your body was able to access quickly. What is the main macromolecule powering this jolt
of energy?
a) Carbohydrates
b) Lipid
c) Both
d) None of the above
C
The value that stays the same as long as there are no signals in the neuron is known as?
The value that stays the same as long as there are no signals in the neuron is known as resting potential.
Neurons are the nerve cells. These are the longest cell in the human body. The structure of a neuron comprises of a cell body from which arise the various branch-like extensions called the dendrites. From one end emerges the axon that ends at the axon terminal.
Resting potential is the potential difference of ions across the plasma membrane when the cell is resting and no nerve impulse is being conducted. The value of resting potential is approximately -70 mV in majority of the neurons.
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How could scientists use radioisotopes to study the function of the golgi apparatus?.
Scientists could use radioisotopes to study the function of the Golgi apparatus by tracking the radiolabelled sugars along with proteins in the Golgi apparatus.
Radioisotopes of radiolabelled sugars are attached to proteins within the Golgi apparatus and are used for purpose of function study and are found in eukaryotes which is a membrane-bound organelle. It is made up of cisternae in flattened, stacked pouches. Proteins and lipids are moved, altered, and packaged into vesicles by the Golgi apparatus and delivered to various locations. It is situated near the cell nucleus and the endoplasmic reticulum present in the cytoplasm.
In an experiment to determine the route secreted proteins follow, radioactively labeled amino acids are added to a culture of cells involved in protein synthesis which is in a growing stage. The secretory vesicles have radiolabeled proteins received from the Golgi apparatus, which are joined with the plasma membrane to release outside the cell.
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3.1 Explain FOUR mechanisms that the South African government is using deal
The South African government does everything in its power to combat crime.
It has developed a national crime prevention strategy that examines various areas of crime,
Taking the government as an example
1- is seeking a compilation of crime data. The government is looking into the issue because crime data is highly unreliable.
2-is seeking media organizations to assist in spreading awareness of certain offences. They want to educate the public about fighting and violent crime.
3. Classifying crimes and assigning punishments to each category. This is for criminals who need to be aware of the penalties they will face.
4-Increasing the executive authority of weapons, identifying smuggling routes, collaborating with neighboring states, etc. to bring the existing crime rate under some control.
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Glutathione is used as a reducing agent (antioxidant) in cells to keep redox enzymes in a reduced state and remove toxic peroxides
a. true
b. false
True. Glutathione is used as a reducing agent (antioxidant) in cells to keep redox enzymes in a reduced state and remove toxic peroxides.
With regard to the reducing properties of glutathione, it plays to exhibit the role of an antioxidant that helps in scavenging electrophilic as well as oxidant species either in a direct way or by catalysis of enzymes. It can directly quench hydroxyl free radicals which are highly reactive, oxygen-centered free radicals, and DNA radical centers and on other biomolecules also.
Glutathione act as a ubiquitous tripeptide that contains thiol that plays a protective role of cells under a condition of oxidative stress. It also modulates the response of a cell to some kind of major redox changes through antioxidant gene expression regulation.
Thus the statement is true since glutathione act as a reducing agent to keep cells in a reduced state and also removes toxic peroxides.
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When part of a molecule, what is the typical number of bonds and nonbonding pairs of electrons for each of these atoms?.
Answer:This means the halogens are typically just 1 bonding pair and 3 lone pairs.
Explanation:
Inorganic elements that are extracted from the soil by plants and passed up the food chain are known as?
Inorganic elements that are extracted from the soil by plants and passed up the food chain are known a Minerals.
Minerals are inorganic compounds that make up the majority of the soil solution; among those needed by plants for structure and control are nitrogen (N) and potassium (K).Plants nevertheless need inorganic salts, which they take up from the soil around their roots. These salts contain the elements phosphorus (in the form of phosphate), chlorine (as the chloride ion), potassium, sulphur, calcium, magnesium, iron, manganese, boron, copper, and zinc.Group of creatures arranged from producers to consumers in the food chain, as well as prey, predators, scavengers, and decomposers. food chain. noun. each connected food chain within an ecosystem. Likewise known as a feeding cycle.To learn more about Minerals.
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What type of inheritance accounts for the genotype of the mother being the direct determining factor in the phenotype of the offspring?
Maternal effect type of inheritance accounts for the genotype of the mother being the direct determining factor in the phenotype of the offspring.
Inheritance- The process of genes being passed from parents to children is referred to as inheritance. Genetic qualities are passed down through inheritance from parents to their kids, who receive all of their parents' genetic material.
Gene- The fundamental genetic component transferred from parent to kid. Genes are composed of DNA sequences and are organized sequentially at specified sites on chromosomes in the cell nucleus.
Phenotype- The visible traits of an individual that are the outcome of gene expression; the clinical manifestation of a person with a certain genotype.
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