The two strands of double helix dna can be easily unzipped and replaced. w
what structural features dna make this possible?

a, b, c, or d?

If we assume that, in the african savanna, rainfall and the amount of grass is plentiful, what other factor would best explain a reduced antelope population?

When muscles contract, they become .

After a signal is transmitted from the eyes through the optic nerve, which part of the brain processes the visual information? a. the limbic lobe b. the occipital lobe c. the frontal lobe d. the temporal lobe