The first one is epidermis, the second one is the dermis i believe, I hope this helps
The correct answer is carboxyl group.
<span>The carboxyl group is an organic functional group consisting of a carbon atom double bonded to an oxygen atom and single bonded to a hydroxyl group (COOH). It is the main functional group of carboxylic acid. Carboxylic acids are found in acetic acid and the amino acids that are used to build proteins.</span>
Answer:
The electron transport chain is the first step in cellular respiration. The reactions that generate the largest amounts of ATP during cellular respiration take place in the mitochondria.
Explanation: