Which observation proves that a cell is a prokaryote?

a. it does not have a cytoskeleton

b. it does not have a nucleus

c. it has a cell membrane

d. it has cytosol inside the cell

If carbon dioxide, methane, and water vapor were not in the atmosphere, then what

A polymer is ... a) a large unit comprised of monomers b) a large unit comprised of macromers c) an individual unit

Smallpox is a disease caused by a specific virus, while the common cold can be caused by over 100 different viruses.

S the part of interphase within the cell cycle where additional biochemical reactions take place preparing the cell for mitosis.

Explain how the anole lizard species on caribbean islands demonstrate both convergent and divergent evolution

What is the meaning of virus?

A 6-year-old boy has marked edema of the legs, accumulation of fluid in the abdomen, and a low blood serum albumin and total serum protein. his urine contains large amounts of protein. what is the most likely cause of edema?

Which of the following would not result in the dilation of the feeder arterioles and opening of the pre capillary sphincter in systemic capillary beds a. a decrease in local tissue O2 content b. an increase in local tissue CO2 c.

Explain how the positions of earth, moon and sun affect the tides

Each gene in a cell's DNA codes for a specific protein. True of False