Which process increases the surface area of foods prior to chemical digestion?

2 answers:

6 0

Mastication, or chewing, is a form of mechanical digestion that increases the surface area of foods prior to chemical digestion.

Assoli18 [71]4 years ago

6 0

Mastication, or chewing, is a form of mechanical digestion that increases the surface area of foods prior to chemical digestion.

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A disease called phenylketonuria causes mental problems, reduces skin pigmentation, and also affects the coloration of urine. Wh

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Answer:

Pleiotropy

Explanation:

Pleiotropy is a genetic condition in which a single gene conditions the expression of multiple phenotype. There are different types of pleiotropy depending on the underlining mechanism

gene pleiotropy
developmental pleiotropy
selectional pleiotropy
antagonistic pleiotropy

Phenylketonuria is a disease characterized by increased level of amino acid phenylalanine in the blood. It caused by mutation to the gene responsible for breaking down phenylalanine in the blood. Elevated level of phenylalanine causes other issues such as mental problems, urine coloration and reduction in skin pigmentation. This is a clear case of pleiotropy.

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Is DNA replication describe as conservative or semi-conservative?why?

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3 years ago

Altruistic behavior a. is that which benefits others while causing a disadvantage to the individual. b. is not a beneficial evol

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The correct answer is A. Is that which benefits others while causing a disadvantage to the individual.

Explanation:

In biology, altruistic behavior occurs as one organism actions benefit other organisms either because these actions increase the reproductive fitness or the chances an organism survives and prevails over time. Additionally, altruistic behavior implies there is a disadvantage for the organisms acting in the benefit of others. For example, wolves or similar animals take food to those that did not participate in hunting, which means they help other wolves to survive on their own cost as this means less food for those that hunted. According to this, altruistic behavior "is that which benefits others while causing a disadvantage to the individual".

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