Q: Answer the following question given this paragraph: Q: When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the what? Choices: - bones - arteries - veins - capillaries A:
A: capillaries

Q: Answer the following question given this paragraph: There are 20 common amino acids in proteins. There are 64 possible codons, more than enough to code for the 20 amino acids. The genetic code is shown in Figure below . To see how scientists cracked the genetic code, go to this link: http://www. dnalc. org/view/16494-Animation-22-DNA-words-are-three-letters-long-. html . Q: Proteins include 20 common types of what compounds? Choices: - mitochondria - rna acids - dna - amino acids A:
A: amino acids

Q: Answer the following question given this paragraph: Oceanic crust is thinner and denser than continental crust. Q: What crust is thinner and denser than continental crust? Choices: - land - coastal - asteroid - oceanic A:
A: oceanic

Q: Answer the following question given this paragraph: Cooling or evaporation of fresh water from the sea surface makes surface water dense. This causes the surface water to undergo downwelling. Q: Cooling or evaporation of what from the sea surface makes surface water dense? Choices: - dirty water - salt water - warm water - fresh water A:
A: fresh water