Q: What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids? Choices: - endocrinologists - vaccinologists - virologists - immunologists A:
immunologists

Q: What do you call a compound that contains both an amino group and a carboxyl group in the same molecule? Choices: - carbolic acid - compound acid - catalyst - amino acid A:
amino acid

Q: Q: What do opposite charges do to one another? Choices: - strengthen - weaken - repel - attract A:
A: attract

Question: Q: What is another term for a hand lens? Choices: - projecting glass - seeing glass - traversing glass - magnifying glass A:
Answer: magnifying glass

*Question*
Q: What is the master gland of the endocrine system? Choices: - Thyroid - Hypothyroid - Thymus - pituitary gland A:
**Answer**
pituitary gland

(Question)
Q: The first period of the paleozoic era was called what? Choices: - carboniferous - permian - ordovician - cambrian A:
(Answer)
cambrian