Q: From what did the first proto-oncogenes arise? Choices: - spores - carcinogens - bacteria - viral infections A:
viral infections

(Question)
Q: Redox reactions can always be recognized by a change in what number of two of the atoms in the reaction? Choices: - fermentation - oxygen - precipitation - oxidation A:
(Answer)
oxidation

Ques: Q: What are the largest phylum of the animal kingdom? Choices: - Crustacea - Chelicerata - Pycnogonida - arthropods A:
Ans: arthropods

(Q).
Q: What property is characterized by eddies and swirls that mix layers of fluid together, unlike laminar flow? Choices: - combustion - compression - evaporation - turbulence A:
(A).
turbulence

Ques:Q: What is the ratio of the uncertainty to the measured value, multiplied by one-hundred called? Choices: - variable uncertainty - amount uncertainty - percent inconsistency - percent uncertainty A:

Ans:percent uncertainty

Question: Q: A redox reaction rearranges what subatomic particles? Choices: - neutrons - water molecules - protons - electrons A:
Answer:
electrons