30. The entire molecule shown in the diagram below is the building block for RNA and is called a(n) Phosphate
group
Nitrogen
bose
Suga
O pyrimidine.
O amino acid.
O polysaccharide.
O nucleotide.

Nitrogen Base/Nucleotide

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above