A mutagen is

A) a living thing that has undergone a mutation.

B) an agent that causes a mutation in DNA.

C) a mutation that has affected one gene.

D) a chemical that can poison living cells.

Choose the correct term for the following definition: a hormone secreted by the adrenal cortex. a. polydipsia b. corticosteroid c. epinephrine d. glycogen

What are some possible problems which might result from the warming of Earth?

How is the process of decomposition related to the carbon cycle? A. Decomposition is the release of carbon dioxide through the burning of fossil fuels. B. Decomposers take in carbon dioxide and make glucose. C.

The human body needs energy in order to carry out life processes such as breathing. Where does the body get this energy? A. from eating food B. from learning about new things C. from lying in the sun D. from sleeping

Witch step of cellular respiration will not take place in the absence of oxygen

What are the potential effects of a supercell thunderstorm? Select all that apply. a. hail b. wind c. lightning d. tornadoes E. hurricanes F. squall lines

Whats a good hypothesis for adhesion?

The movement of alleles from one population to another is called

If a cell starts with 48 chromosomes then each cell or gamete produced at the end of the process will contain how many chromosomes?

How is water use correlated with crop production and the types of crops produced?