Which compound is not part of a dna nucleotide?
a. adenine
b. ribose
c .thymine
d. deoxyribose
real answers only

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.

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.