Where in the cell does most of aerobic respiration occur? a) in the mitochondria b) in the cytoplasm c) in the chloroplasts d) in the golgi apparatus

Which macromolecules are polymers made of nucleotides (a) fatty acids (b) nucleic acids (c) carboxylic acids (d) amino acides

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection