DNA: deoxyribose, a phosphate<span> group, and a </span>nitrogenous base.<span>The </span>nitrogenous base<span> will be one of these four: Guanine, </span>Adenine<span>, </span>Cytosine, or Thymine.
RNA: sugar phospahtes and the nitrogenous bases. The nitrogenous bases will be one of these four: Guanin, Adenine, Cytosine, or Uracil.
Brainly sucks, but I need good grades so...
also, what to join, there is no link
Answer:
It fades away and becomes a part of the vertebral column!
Explanation:
Humans start off with a notochord, but it soon starts to become part of the vertebral column after it's uses become less important.
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The plants might die out because there is no one to pollinate them
Answer:
Mitosis
Explanation:
In single-cell organisms, mitosis is the only form of cellular reproduction. One round of mitosis yields two genetically identical cells. In multi-cellular organisms, like ourselves, mitosis only occurs in somatic cells, which comprise all cells in an organism excluding germ cells