Which statements are correct concerning human dna?

it contains 23 chromosomes
it contains 46 chromosomes
each strand contains chromosomes from one parent.
each chromosome contains 23 genes.

Compare the composition of the moon's surface with the composition of the earth's surface.

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Which strand is synthesized towards the replication fork