Q: The leaves of all of what type of plants have two basic parts in common: the blade and petiole? Choices: - perennials - deciduous - evergreen - flowering plants A:
flowering plants

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:
nonbinding of repressor protein

Q: What is a common age-related bone disease in which bone density and strength is decreased? Choices: - fibrosis - lupus - arthritis - osteoporosis A:
osteoporosis

Q: Fungi may have both asexual and sexual stages of what? Choices: - absorption - development - photosynthesis - reproduction A:
reproduction