Diffusion is the random movement of molecules or particles from a region of high concentration to a region of low concentration bringing a natural flow in the system. Diffusion ensures that there is a state of equilibrium in the number of molecules in the system.
The proteins exhibit four levels of organization:
1. Primary structure: It refers to a sequence of amino acids join together by the peptide bonds to produce a polypeptide chain.
2. Secondary structure: It is a localized twisting of the polypeptide chain by producing a hydrogen bond. Two types are formed, that is, the alpha helix and beta pleated sheet.
3. Tertiary structure: It refers to the three-dimensional composition of a polypeptide chain. The folding is not regular as it is in secondary composition. It produces ionic bonds, hydrophobic interactions, disulfide bond, and hydrogen bond amongst the polypeptide chains.
4. Quaternary structure: It comprises an amalgamation of two or more polypeptide chains that functions as a single functional unit. The bonds are identical as in tertiary composition.
Thus, the levels of secondary, tertiary, and quaternary protein structure would get affected if all the hydrogen bonding associations were inhibited.
Answer:
1. D- Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage.
2. B- Genetic drift is the random increase or decrease of certain genes in a population; natural selection is not random.
3. A- An interferon activates the body's immune system response to a virus.
4. D- Each persons immune system employs different tactics to get rid of the virus.
5. D- yes, because mutated viruses are able to infect more hosts.
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Heavy metals work by dissolving the cell wall.
Sterilization describes a method that destroys or gets rid of all styles of microbial existence and is done in health-care facilities with the aid of bodily or chemical strategies. Using a physical or chemical method to smash vegetative pathogens is: disinfection. using chemical marketers immediately on uncovered frame surfaces to damage or inhibit vegetative pathogens.
The term heavy metallic refers to any steel chemical detail that has a notably excessive density and is poisonous or toxic at low concentrations. Examples of heavy metals encompass mercury (Hg), cadmium (Cd), arsenic (As), chromium (Cr), thallium (Tl), and lead (Pb). Even though the beginning of the time period heavy metallic is broadly attributed to novelist William Burroughs, its use dates nicely again into the nineteenth century, while it cited cannon or to electricity greater usually. It additionally has been used to classify certain elements or compounds, as in the phrase heavy metallic poisoning.
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Answer:
the process which includes as growth, differentiation, respiration, digestion, and excretion during their life time is life process.
