PSL Exam with 100% correct solutions 2024

a. Protein synthesis b. Cell division c. Positive feedback d. Negative feedback correct answers c. Positive feedback 2.) What is the body's internal environment which is maintained by homeostasis? a. Interstitial fluid b. Intracellular fluid c. Blood d. Mitochondrial matrix correct answers a. Interstitial fluid 3.) What is the basic unit of life? a. Molecule b. Cell c. Tissue d. Organ correct answers b. Cell 4.) The clusters of molecules in the cytosol are made of a. Carbohydrates b. RNA c. Protein d. Potassium correct answers c. Protein 5.) Glycogen is a storage form of a. Amino acids b. Vitamin C c. ATP d. Glucose correct answers d. Glucose 6.) The manufacture of new membrane is a function of which organelle? a. Peroxisomes b. Lysosomes c. Vaults d. Endoplasmic reticulum correct answers d. Endoplasmic reticulum 7.) Catalase reactions remove what substance? a. Carbon dioxide b. Hydrogen peroxide c. Oxygen radicals d. Messenger RNA correct answers b. Hydrogen peroxide