the first one is false because DNA replication doesn't begin by breaking apart the hydrogen bonds thats the second step
-the second one is true
Once retinal has absorbed a photon which initiates effects that create nerve impulses, the impulses get carried to the brain, which then processes the impulses along with other signals, ultimately allowing the eyes to see.
The answer is hydrogen and oxygen
Four haploid cells each chromosome containing 2 sister chromatids.
you are right, it's B.) 4 haploid cells
