Proteins that speed up chemical reactions without being used up or destroyed in the process are called

a. amino acids

b. enzymes

c. oxidative cells

d. antibodies

What structures carry the released egg from the ovaries?

Both the moon and the sun influence earth. the moon has a much greater influence though. why is that? a) because the sun is less dense b) because the sun is gaseous, not solid c) because the sun is so far away from Earth d) because the sun is less

How do the atmospheric conditions near the beginning of Precambrian time contrast with the atmospheeic conditions that are present now? Which organism is largely responsible for this change?

Difference between a strepsirhini and a haplorhini

The classification of stage ii of copd is defined as

What system that removes waste from the body and controls the body's water levels?

How is a scientific law formed?

Approximately, when was the structure of DNA first described? 1900 1950 1800 1850

What makes influenza viruses so dangerous

Blank investigations allow for the control of variables can be repeated