Q: What is the process of action potentials in myelinated axons jumping between the nodes of ranvier called? Choices: - photoreactive conduction - saltatory movement - pinworm conduction - saltatory conduction A:
saltatory conduction

Q: What is the name of the spacecraft that has performed the closest flyby of uranus? Choices: - Mercury 7 - centaur 2 - Zodiac 4 - voyager 2 A:
voyager 2

Q: Q: Injuries can be prevented by getting proper what? Choices: - exercise and training - drugs and food - water and clothing - rest and recovery A:
A: rest and recovery

Question: Q: Elements are either metals, nonmetals, or what? Choices: - reactive metals - partial metals - unstable metals - semimetals A:
Answer: semimetals

*Question*
Q: What structure is found at the top of the head of the sperm that helps it penetrate and fertilize the egg? Choices: - centriole - terminal disc - axial filament - acrosome A:
**Answer**
acrosome

(Question)
Q: What is the main element in organic compounds? Choices: - hydrogen - oxygen - nitrogen - carbon A:
(Answer)
carbon