Pepsin, an enzyme found in the stomach, acts best at a ph of about 2, but it is not active at a ph of 7. why

Can you label some components associated with the plasma membrane and identify the functions of membrane proteins?

Which is the most accurate statement? A.) Engineers create questions, and scientists try to answer them. B.) The scientific method and technology development follow different steps. C.) Science and technology rely on and influence each other. D.

A single species that has evolved into several different forms that live in different ways has undergone * A. adaptive radiation. B. coevolution. C. punctuated equilibrium. D. mass extinction.

Enzymes cannot make thermodynamically unfavorable reactions proceed. But they do lower the activation energy of a reaction in both directions. Sometimes the reaction is just too thermodynamically unfavorable during standard conditions.

Which is a negative result of eating too much lipids A. The body produces too many membrane structures B. fatty acids become deficient in the body. C. dangerous fat-soluble vitamins are carried to cells D. fat deposits put a strain on the body

Which best describes the primary function of carbohydrates in an animal cell?

What protects the inside of a cell from the outside world? cell membrane nucleus cytoplasm dna

How does DNA influence the synthesis of lipids, carbohydrates, and steroids? A. Base triplets that do not code for amino acids, code for the components of these compounds. B.

What are delusions? what are some symptoms?

What happens to Earth when it is farthest from the sun? It moves fastest. It stops rotating. It moves slowest. It stops revolving.