In dna, adenine bonds with thymine and guanine bonds with cytosine. which base is only in rna and not in dna?

The base that is only found in RNA and not in DNA is URACIL

Explanation:

A nitrogenous base, or nitrogen-containing base, is an organic molecule with a nitrogen atom that has the chemical properties of a base.

"do a testcross with a homozygous recessive plant."

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