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consisting of one new and one old chain of nucleotides.
is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.
Answer:
The answers that apply;
Researchers found cosmic microwave background radiation, which is a heat imprint left over from the big bang.
A redshift of light emitted by stars and galaxies indicates the universe is expanding
A primordial form of helium gas was found by the Endeavor space shuttle
Big Bang theory is a theory that endeavors to explain the origin of the universe. It stipulates that the universe exploded from a singularity and continues to expand today
Explanation:
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Answer Is
Natality
Mortaity
Phase 2b.......................................................................................