Q: Which factor often changes a protein from an inactive form to an active form? Choices: - oxygen groups addition - lipid groups addition - nitrogen groups addition - phosphate groups addition A:
phosphate groups addition

Q: What cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores? Choices: - parasites - bacteria - contaminants - viruses A:
viruses

Q: Q: What element makes up the majority of coal? Choices: - iron - lead - silicon - carbon A:
A: carbon

Question: Q: What is the term for a close relationship between two species in which at least one species benefits. Choices: - extosis - candiasis - endosymbiosis - symbiosis A:
Answer: symbiosis

*Question*
Q: Types of compounds include covalent and which other compounds? Choices: - reactant - soluble - solvent - ionic A:
**Answer**
ionic

(Question)
Q: With logistic growth, how does population growth start out? Choices: - exponentially - rapidly - steadily - slowly A:
(Answer)
slowly