Multiple Choice
The digestive process breaks large molecules into small molecules for absorption. In animals
A) physical digestion always precedes enzymatic digestion because it increases the surface area for enzymatic attack.
B) digestive enzymes have a similar specificity to other enzymes. They are sensitive to pH temperature and operate on specific bonds only.
C) the process of enzymatic digestion is similar within groups and therefore there is little correspondence between the types of food an animal eats and the digestive enzymes it produces.
D) secreted enzymes are similar with some digestive enzymes acting only on specific bonds.
E) complete enzymatic breakdown of food involves the sequential secretion of different digestive enzymes along the length of the gut.
Correct Answer:

Verified
Correct Answer:
Verified
Q21: Choose the statement that is most correct.
Q22: In vertebrates, cellulose breakdown<br>A) relies on cellulases
Q23: Ghrelin is<br>A) a peptide hormone produced in
Q24: A strictly herbivorous animal is examined and
Q25: Most animals require many compounds in their
Q27: In the past, particularly between 1500 and
Q28: Phagocytosis as a mechanism for the ingestion
Q29: In the evolution of digestive systems<br>A) cnidarians
Q30: Digestive secretion in humans is<br>A) under hormonal
Q31: Gut passage rates<br>A) of herbivores are relatively