Q: What is the only way to completely avoid stis? Choices: - cover your mouth - oral sex - contraceptive use - avoid sexual contact A:
avoid sexual contact

(Question)
Q: E. coli need what kind of acids to survive? Choices: - hydrochloric - bacterial - boric - amino A:
(Answer)
amino

Ques: Q: What instrument, with a digital readout, is used by scientists to measure very small masses? Choices: - mixed balance - mechanical balance - common balance - electronic balance A:
Ans: electronic balance

(Q).
Q: What organ packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products? Choices: - heart - brain - liver - liver A:
(A).
liver

Ques:Q: In eukaryotes, oxidative phosphorylation takes place in what? Choices: - glucose - lipids - nucleus - mitochondria A:

Ans:mitochondria

Q: What kind of organisms are yeasts? Choices: - bacteria - viruses - protozoa - single-celled A:
single-celled