Guanine and cytosine are important constituents of

a. most protein molecules.

b. the chromosome of a cell.

c. all of these.

d. the cellular membrane.

e. most acid solutions

Which of the following statements is not consistent with primary lactose intolerance? a primary lactose intolerance is more common in some ethnic groups. b primary lactose intolerance is often seen in crohn's disease.

Why has tuberculosis become so difficult to treat after being diagnosed?

Farming in north america in the next 50 years will likely result in a. shorter growing seasons. b. less predictability in the weather. c. generally more precipitation. d. generally less precipitation.

Handedness:a. reflects the greater capacity of one side of the brain to carry out skilled motor action. b. is evident in a wide range of skills from birth. c. is a heritable trait, especially for left-handed people. d.

Several tissues come together to form an what

What is the part of the brain that is located at the base of the skull and is responsible for the development and coordination of movement.?

Why is it important for a single gene to be able to produce hundreds or thousands of the same RNA molecules?

A certain amount of fiber in foods contributes to the health of the digestive system. However, eating too much fiber leads to nutrient losses. The characteristic of diet planning illustrated by this statement is called

Pink fairy armadillo homologous structure are similar to human homologous structure. But how?

Do Echinoderms have a endoskeleton or exoskeleton?