Choice B:
More photosynthesis leads to more oxygen in the atmosphere and oceans.
Answer:
The best answer choice is C. either from food or sunlight
Explanation:
Humans and Animals need to eat food to get energy
Plants use sunlight to create their own food.
Enzymes are made of strings of amino acids chemically bonded to one another. These bonds give each enzyme a unique structure, which determines its function. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids. Amino acids are joined together by peptides, which are broken by proteases.
The two organs have different adrenergic receptors for NE.
