Q: Metabolic enzymes catalyze catabolic reactions that break down what? Choices: - proteins - lipids - impurities - carbohydrates A:
carbohydrates

(Question)
Q: Species of organisms that have permanently died out can also be called what? Choices: - succinct - inherited - occuring - extinct A:
(Answer)
extinct

Ques: Q: What type of acid is often used as a preservative for acidic foods such as fruit juices? Choices: - hydrochloric acid - sulfuric acid - citric acid - benzoic acid A:
Ans: benzoic acid

(Q).
Q: What was the first antiseptic called? Choices: - acid - gasoline - chlorine - phenol A:
(A).
phenol

Ques:Q: Oysters require a certain minimum population density because they must be in close proximity to do this? Choices: - multiply - replicate - feed - reproduce A:

Ans:reproduce

Ques: Q: Mutualism is a symbiotic relationship in which both species do what? Choices: - die - suffer - reproduce - benefit A:
Ans:
benefit