(Question)
Answer the following question given this paragraph: Q: Despite its small size, an erythrocyte contains about 250 million molecules of what? Choices: - calcium - plasma - potassium - hemoglobin A:
(Answer)
hemoglobin

(Question)
Answer the following question given this paragraph: Q: What does some amphibians have as juveniles but not as adults living on land? Choices: - microscopic line system - kinetic line system - vertical line system - lateral line system A:
(Answer)
lateral line system

(Question)
Answer the following question given this paragraph: Q: Viruses lack metabolic enzymes and equipment for making what? Choices: - dna - acids - cells - proteins A:
(Answer)
proteins