Q: E. coli uses how many enzymes to take up and metabolize lactose? Choices: - 4 - 11 - 2 - 3 A:
3

Q: Gall bladder removal surgery does not seriously affect digestion because ______ is still being produced. Choices: - saliva - blood - plasma - bile A:
bile

Q: Q: How are electrons shared in covalent bonds? Choices: - randomly - orderly - unequally - equally A:
A: equally

Question: Q: What are the proteins called that speed up biochemical reactions in cells? Choices: - peptides - hormones - carbohydrates - enzymes A:
Answer: enzymes

*Question*
Q: Which constellation looks like a rectangle high in winter's south-southeastern sky? Choices: - Caelum - Apus - Andromeda - orion A:
**Answer**
orion

Q: What type of compounds make up the cells and tissues of organisms? Choices: - hormonal compounds - productive compounds - organic compounds - biochemical compounds A:
biochemical compounds