Hi! just wondering how a tissue is a living thing.

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?

Crossing over is a method of (blank)?

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids