Ineed !

ribosomes are crucial proteins in cells because:
select one:

b. they provide the structural components of all cells.

c. they only operate in eukaryotic cells.
d. they are the sites for protein synthesis.

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

What are 3 reasons that natural selection occurs

Agroup of organisms that changes over time is said to