What Happens to Nutrient Macromolecules in an Animal's Digestive Tract

question 64

Multiple Choice

What happens to nutrient macromolecules in an animal's digestive tract?

• A) They are absorbed whole and are then broken down into monomers within cells that ultimately use them.
• B) Proteins and nucleic acids are digested into monomers before absorption; energy-storage macromolecules (starch and fat) are absorbed whole.
• C) The digestive breakdown of macromolecules determines the monomers that are immediately needed and therefore produced.
• D) Nutrient macromolecules are digested into monomers before absorption.

Distinguish between different mimicry types and their ecological significance.

Understand the concept of carrying capacity and factors affecting it.

Recognize different age structure categories and their significance.

Identify reasons behind population dynamics such as growth, crash, and recovery.

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Definitions:

Homozygous Recessive

An individual that has inherited two identical alleles for a particular trait from each parent, manifesting a trait that is only expressed when dominant alleles are absent.

Sterile Offspring

Individuals that are unable to reproduce due to genetic or physical abnormalities.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring, driving evolution.

Genotype

The genetic constitution of an individual organism, encompassing all the genes inherited from the parents.