A scientist observes two cells. cell 1 and cell 2 both contain dna (genetic material) and ribosomes. however, cell 1 contains a nucleus and other membrane-bound organelles, which cell 2 does not.

Is there more than one way to use the scientific method?

The inner surface of the eyelids and the exposed surface of the eye itself are covered by a delicate membrane called the:

What happens when the spinal cord is injured? A. The parts of the body using the damaged areas lose sensation. B. The affected neurons in the CNS regenerate gradually. C. The path of impulses in the nervous system may be disrupted. D.

El Niño causes excessive rains in the Midwestern United States. these rains lead to flooding access the region. Which affects are most likely to result from the environmental changes?

Surface markers on lymphocytes can be used to: a. identify and count cd4 + and cd8 + cells. b. classify leukemic cells. c. monitor patients on immunotherapy. d. all of the above.

A homozygous milk chocolate easter bunny is crossed with a homozygous dark chocolate easter bunny. assuming dark chocolate is dominant over milk chocolate and the traits segregate according to mendelian genetics, which traits will the offspring

Statement correctly compares radio waves and microwaves? Radio waves have shorter wavelengths and lower frequencies than microwaves. Radio waves have longer wavelengths and lower frequencies than microwaves.

Which corticosteroid affects the electrolyte composition of body fluids?

What happens to the stream and water table as the number of pumps running is increased.

If you had four blue cards, four red cards, and four yellow cards in a deck, what are the chances of drawing a blue card on your first try? A. 1/16 B. 1/3 C. 1/4 D. 1/12