I think the correct answer from the choices listed above is option A. The function of arteries, veins, and capillaries in the circulatory system is that a<span>rteries generally carry oxygen-rich blood away from the heart; veins generally carry oxygen-depleted blood back to the heart; capillaries deliver blood to individual cells.</span>
DNA or protein from a virus entered bacterical cells during infection
The abrupt breaking of rocks or explosions, fro example an earthquake or Nuclear bomb.
1) D chromosomes
2) B a double helix
3)A chromosomes are made of DNA
4)A genes
Answer:
Pretty sure they're both A.
