Answer:
the correct answer is b
Explanation:
the human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. the primary organs of the respiratory system are the lungs, which carry out this exchange of gases as we breathe.
The monomers of nucleic acids, or DNA/RNA are nucleotides.
Answer:
Yes they do.
Explanation:
birds will abandon their young after being touched by human hands because they can smell the scent of the human on their babies. This then causes the mother bird to become afraid of possible predators and to leave its children to the elements
DNA; maintain sequence of amino acids.
RNA; carry sequence of DNA from nucleolus into outer matrix to be transcripted