Q: Q: When lactose is present in the cell, what allows the lac genes to be expressed? Choices: - concentration of repressor protein - binding of expressor protein - the addition of water - nonbinding of repressor protein A:
A: nonbinding of repressor protein

Q: Q: The articular cartilage is thickest in the upper and back part of the acetabulum, the socket portion of what? Choices: - elbow - shoulder joint - kneecap - hip joint A:
A: hip joint

Q: Q: Most bacteria may be placed into one of three groups based on their response to gaseous? Choices: - potassium - nitrogen - carbon - oxygen A:
A: oxygen

Q: Q: New land can be created when what happens to a volcano? Choices: - it evolves - it dies - it stays dormant - it erupts A:
A: it erupts