Biology Definitions Advanced Quiz 2
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Advanced Quiz 2
1. What is the function of the sodium-potassium pump?
Maintains electrochemical gradients across cell membranes
Synthesizes ATP
Transports glucose
2. Which structure contains digestive enzymes in animal cells?
Golgi apparatus
Lysosome
Peroxisome
3. What is the primary function of the nephron?
Blood filtration and urine formation
Hormone production
Glucose storage
4. Which process is essential for muscle contraction?
Oxidative phosphorylation
Glycolysis
Calcium ion release from sarcoplasmic reticulum
5. What is the role of myelin sheath?
Increases speed of nerve impulse conduction
Produces neurotransmitters
Stores energy
6. Which mechanism maintains genetic variation in populations?
Genetic drift
Gene flow
Founder effect
7. What is the function of the sinoatrial node?
Initiates heartbeat as pacemaker
Filters blood
Produces valves
8. Which molecule serves as the primary energy currency?
ATP
NADH
FADH2
9. What is the primary function of alveoli?
Mucus production
Immune defense
Gas exchange
10. Which enzyme cuts DNA at specific recognition sequences?
Restriction endonuclease
DNA polymerase
Ligase
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