A. It encloses the cytoplasm
Trench
A long , narrow depression of the sea floor formed where a subdcting plate sinks into the mantle
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Answer:
Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
Explanation:
B. Hydrogen Bonds connect nitrogenous bases together
1) The function of a protein is determined by its shape. The shape of a protein is determined by its primary structure. The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene DNA encoding it.
