Which nucleotide base is found only in RNA?

Adenosine diphosphate (ADP) has ______ phosphate groups.

In the Genetic Code, three nucleotides corresponds to ______ amino acid(s). 

What kind of chemical bond holds the two strands of the DNA molecule together?

A term functionally synonymous with “hydrophilic” is (select all that apply):

Which is comprised predominantly of protein and relatively little sugar:

A single layer of flattened cells is called ______ epithelium.

Which of the following is an enzyme:

The glycocalyx of the cell’s plasma membrane is found:

The immature cell type in bone is called: