Besides earth which planet once had liquid water on its surface?

Why is the light microscope called a compound microscope?

The process by which a neurotransmitter is reabsorbed by the neuron that released it is termed:

Whats the difference between an intermolecular and an intramolecular force?

You have seen that most students are able to memorize the levels of structure in a protein--primary, secondary, tertiary, and quaternary.

Does sulfur and nitrogen compounds in smog combined with water to form? A) ozone B) ammonia C) acid rain D) chlorofluorocarbons

Explain why you can't fully test the lipase activity in tube 5.

A. True b. False: chemicals that become contaminated, dry out, or oxidize can turn unstable and become potentially explosive chemicals (pec)

A long term change in Earth's overall temperature with massive and permanent ramification is called? Climate change Ocean acidifcation Greenhouse gas All of these

Biologists believe that gender differences arise from A. socialization. B. reinforcement and modeling. C. traits that ensured a person's survival and reproduction. D. a process of identification.

What would mostly likely happen to a person who is not getting enough essentials amino acids in his or her diet