haploid sex cells have only 23 chromosomes in humans, so when they join, they create one cell that has the full 46 chromosomes.
A specific organ on which a hormone, drug, or other substance acts
They bond together in the dna T bonds to A and C bonds to G
Answer:
White dwarfs have an extremely small surface area to radiate this heat from, so they cool gradually, remaining hot for a long time.
Explanation:
As a white dwarf cools, its surface temperature decreases, the radiation which it emits reddens, and its luminosity decreases.
