Which of the following is not a characteristic of a parenchyma cell?

a. the most abundant type of plant cell

c. thin, flexible cell walls

b. thick, rigid cell walls

d. large central vacuoles

Which of the following is not a major activity of the stomach?

Which organ performs the major role in excreting wastes from the body?

Assume that a DNA double helix contains 100 base airs one pair is A-T or C-G and there 45 cytosines how many guaninas are there? How many adeninas are there?

Cynthia observed a cell with a pair of sister chromatids moving toward a given pole as a single unit and another cell with sister chromatids moving to opposite poles. What did she infer from her observation?

What is the least likely impact the spraying of fungicide would have on soil-dwelling plants and animals?

When water changes from a gas in the atmosphere to a liquid droplet in a cloud, this is known as ... A. transpiration B. condensation C. evaporation D. precipitation

Identify one factor that could affect which color trait is selected for in a particular environment

Two species of crickets are indistinguishable (identical) to one another except for their mating songs, which have noticeably different pitches. Thus, the crickets will not mate.

How have human activities affected the phosphorus cycle?

Many animals such as goats, deer, and cattle have horns or antlers. What purpose do these structures serve? Question 7 options: They are used for ornamentation and for attracting a mate.