Q: Where are most chloroplasts found in plants? Choices: - roots - stems - flowers - leaves A:
leaves

Q: Each myofibril is made up of two types of proteins, called actin and what? Choices: - dynein - elongation - Fatty Acid - myosin A:
myosin

Q: Q: What physical property of matter reflects how closely packed the particles are? Choices: - volume - strength - diameter - density A:
A: density

Question: Q: What part of the plant holds the plant upright? Choices: - roots - leaves - notochord - the stem A:
Answer: the stem

*Question*
Q: What does convection within the earth's mantel cause? Choices: - volcanos - hurricanes - microorganisms to move - plates to move A:
**Answer**
plates to move

Q: By allowing blood levels of a hormone to be regulated within a narrow range, feedback loops contribute to maintaining what state? Choices: - hypothesis - hibernation - consciousness - homeostasis A:
homeostasis