Q: What is the transfer of thermal energy by waves that can travel through empty space called? Choices: - convection - induction - vibration - radiation A:
radiation

Q: What helps the plasma membrane keep its shape? Choices: - molecules of carbohydrates - molecules of oxygen - cytoplasm - molecules of cholesterol A:
molecules of cholesterol

Q: Q: In most animals, what sense is related to balance or equilibrium? Choices: - vision - tasting - feeling - hearing A:
A: hearing

Question: Q: Linked genes are located on the same what? Choices: - genome - nucleolus - bacterium - chromosome A:
Answer: chromosome

*Question*
Q: When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin? Choices: - calcium - white blood cells - acid - ph A:
**Answer**
ph

Q: Q: What organ do mammals have that is exceptionally large for their body size? Choices: - lungs - heart - liver - brain A:
A: brain