During S phase the two strands of the double helix are separated by enzymes.
Two DNA strands are synthesized that are complementary to each original strand.
DNA polymerase proofreads each DNA strand.
The two copies of DNA with a complete set of genes separate from each other in the anaphase of mitosis.
Answer: B. They always have offspring identical to the parent plant.
The answer is 2.1 g/ml
D = M/V
105.5/50.0 = 2.1
Answer:
D
Explanation:
The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.