Explain why life as we know it would be impossible without photosynthesis.

You have isolated a newly discovered virus and are attempting to characterize it. You begin with its genome. First, you isolate the viral genome and find that it is single stranded.

A plant cell shrinks from a lack of water. What term describes the environment outside the cell? hypertonic, osmotic, hypotonic, permeable. witch one

2. The mRNA for a well-known secretory protein is isolated and placed in a test tube in the presence of all the substances required for in vitro protein synthesis.

Suppose Alia recently learned that she inherited a mutant RB1 allele from her mother, who had retinoblastoma. RB1 is a tumor suppressor gene that is related to retinoblastoma.

Why is oxygen needed by body cells

How do we determine if an animal is truly extinct

Warm fronts usually bring cloudy sky. A. true B. False

What is the reference between relative dating and absolute dating

An amoeba is a unicellular organism, which doesn't have a stomach for digestion of food. How does food storage and digestion take place in an amoeba?

Select all of the answers that apply. What major factors affected earth's changing climates?