A. Nucleotides; they are molecules that form basic structural units
C. at greater temperatures, the active sites denature and change shape, meaning the substrated dont fit.
Cumulus clouds are a bunch of low-lying clouds and they look like cauliflower. They are fair weather clouds. And therefore, on seeing them, I would continue lying on the beach. So, your answer is A. Cumulus clouds are puffy and are not sign of bad weather unless they are higher in the atmosphere.
Answer: Anaerobic cellular respiration
Some prokaryotes—bacteria and archaea—that live in low-oxygen environments rely on anaerobic respiration to break down fuels. For example, some archaea called methanogens can use carbon dioxide as a terminal electron acceptor, producing methane as a by-product.
Explanation: hopefully i helped
