Exam 6: Nutrition, Feeding, and Digestion

Two transporters are needed for secondary active transport of glucose into a midgut epithelial cell. One transporter is needed to pump _______, and the other is needed to _______.

Which substances do not contain nitrogen?

Among Africans, the Masai are unusual in that

The most abundant component of the gut microbiome in humans is(are)

If the Na⁺-K⁺-ATPase in the basolateral membrane were blocked, would you predict a larger effect on glucose transport or fructose transport? Why?

Suppose a normal, slender adult gains 10 kg of fat. Which body component would weigh the most?

Refer to the figure shown. In which area(s) is sodium transport involved?

Why is phenotypic plasticity important in digestion and absorption by vertebrates?

A major difference between vertebrate and insect digestive systems is that

Suspension feeding is more common in aquatic environments than in terrestrial environments because

Herbivorous animals obtain their nitrogen primarily from

The radular teeth of snails are sometimes hardened by the addition of

Refer to the figure shown. In which area(s) is facilitated diffusion of fructose occurring?

One of the minerals that is particularly important for lactating females and their offspring is

Which hormone increases muscle motility of the stomach?

Which animal would be most likely to survive on a diet high in cellulose and low in nitrogen?

Many "megachiropteran" bats feed on fruit, and many "microchiropteran" bats feed on insects. Compared to "megachiropteran" bats, "microchiropteran" bats probably secrete _______ amylase and _______ pancreatic peptidase. They also probably have a _______ density of sugar transporters and a _______ density of amino acid transporters.

You are browsing at a nutritional supplement store and a representative is trying to sell you their brand of bulk amino acid supplements because this particular brand contains only essential amino acids, which are clearly needed by the body. Would the additional expense of this brand be worth it?

Bile salts are important for the effective functioning of

The carbohydrates _______ are likely to be more important in insects than in mammals.