Answer:
Digestion of proteins is completed in the small intestine by proteolytic enzymes present in pancreatic and intestinal juices.
Explanation:
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Answer:A). Phospholipids
Explanation: A cell membrane is a phospholipid bilayer. Phospholipids have two components: the fatty acid chain and the phosphate head group. The phosphate groups of the phospholipids are polar while the fatty acyl chains are nonpolar. The nonpolar fatty acyl chains face each other forming a bilayer while the phosphate head group face outward interacting with the environment. The cell membrane contains other components such as the proteins and carbohydrate chains but in lesser amount, therefore the major constituent of the cell membrane is phospholipids.
Answer:
enzymes
Explanation:
Enzymes are organic molecules made up of proteins that catalyze reactions by either speed up or controlling the chemical reaction.
Enzymes are specific in the reactions they catalyze. An enzyme will only catalyze one specific reaction or a group of closely related reactions. For enzymes to catalyze a reaction, the substrate must fit in the active site on the surface of the enzyme. This forms an enzyme-substrate complex. The enzyme speeds up the formation of the products.
