A species at equilibrium migrates into a new environment and soon begins a period of rapid evolution. The type of evolution that occurred is most likely

A.

adaptive radiation.

B.

genetic mutation.

C.

coevolution.

D.

convergent evolution.

The chemical process by which your body breaks down food to release energy is called?

Which of the following would you find in a Sanger sequencing reaction but not in a polymerase chain reaction? 1. DNA polymerase 2. ddNTPs 3. DNA template 4. DNA primer 5. dNTPs

For most atoms, how many electrons fill the outer shell? A. 2 B. 8 C. 5 D. 4

Margaret's parents are both obese. She has dieted six times, each time losing a considerable amount of weight and subsequently regaining it. Margaret has an aversion to exercise. Which of the following is true about Margaret's situation? a.

Is a process that involves the insertion of vesicle membranes into plasma membranes, when v-snares and t-snares bind together and cause the lipid layers of both membranes to join?

How long does it take for cocaine to leave out your Stream

Why is the tundra treeless? lack of sufficient water permanently frozen ground winters too harsh too many fires

Select the correct statement about antigens. A. One antigen may have many different antigenic determinants and may therefore cause the formation of more than one antibody. B. Only small antigens exhibit reactivity. C.

Which molecule is the source of basic material used for the production of glucose in the calvin cycle?

Why do cells need to be able to transport substances across their membrane