Nonsense mutations make stop codons. If the mutation is towards the beginning of a gene, then the protein that gets created will be cut short and not function properly. But if it was towards the end, there is still a chance that the protein will still be able to work.
Atria is a large part of the heart so too big for cells; arteries & veins lead away or to the heart.
Capillaries are the smallest vascular structures that allow materials to be exchanged easily between cells.
Answer:
limbs form the baby has fingers, hands,arms, feet and toes. they can now open and close their fists and mouth
Gametes
gametes is another word for sex cells
The correct answer is D,
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