The intestinal phase of digestion
a. begins when someone thinks about, sees, smells, initially tastes food.
b. is an immediate response to stomach distension.
c. occurs quickly after ingested food raises gastric pH.
d. is mediated by CCK and secretin.
e. All of these are correct.

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Which of the following can be assumed about the layers in areas 2 and 4

Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?