Answer:
C. but the relative amounts of G+C and A+T vary by species.
Sister chromatids first appear during the S phase of the cell cycle.
Answer:
muscle contraction increases interstitial fluid pressure and compresses the blood vessels within the active muscle. As a consequence, blood flow is highest when muscles relax between successive muscle contractions.
Explanation:
let me do my research real fast and I will let you know what I find
