Q: What structures formed of twisted actin chains are found in almost every cell, and are numerous in muscle cells and cells that move by changing shape? Choices: - RNA - DNA - vesicles - microfilaments A:
microfilaments

(Question)
Q: What is electrons in the highest occupied principal energy level of an atom called? Choices: - non-valence electrons - shell electrons - gradient electrons - valence electrons A:
(Answer)
valence electrons

Ques: Q: What device is an electrochemical cell or series of cells that produces an electric current? Choices: - reactor - magnet - generator - battery A:
Ans: battery

(Q).
Q: Shivering helps the body return to a stable what? Choices: - pH level - weight - mood - temperature A:
(A).
temperature

Ques:Q: What scientist and monk is best known for his experiments with pea plants? Choices: - steiner mendel - charles darwin - aristotle - gregor mendel A:

Ans:gregor mendel

Q: What do we call an interruption in the normal conduction pathway of the heart? Choices: - heart attack - infarction - heartburn - heart block A:
heart block