Mutations can be caused by

A:radiation

B:global warming

C:chemicals

D:viruses

What percent of all the genes in e. coli are active all the time? 10, 20, 60, or 80%?

In order for the human body to maintain homeostasis, the breakdown of glucose to release energy must be followed by the

Which group of molecules are targeted by the kinases in order to control this movement

What is brachycardia? a. Abnormally rapid heartbeat b. A blood vessel conveying blood to the arm c. Pain referred to the arm during a heart attack d. Abnormally slow heartbeat

How does the sperm from the male moss plant get to the egg of the female plant

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

What are two different habitats in a prairie ecosystem and name one organism found in each habitat.

Which level on the energy pyramid has the third most energy? A. primary producers B. primary consumers C. secondary consumers D. tertiary consumers

How do pH affect the stability of double-stranded nucleic acid?

What is the first step in the scientific process