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

Q: What happens when a sodium atom loses an electron? Choices: - becomes calcium - gains a proton - combines with hydrogen - becomes sodium ion A:
becomes sodium ion

Q: Q: Vesicular transport includes exocytosis and what? Choices: - phagocytosis - metastasis - meiosis - endocytosis A:
A: endocytosis

Question: Q: If a fixed amount of gas maintains a perfectly inversely proportional relationship between volume and pressure, then what else must be constant about the gas? Choices: - density - friction - surface tension - temperature A:
Answer: temperature

*Question*
Q: Which type of electrons plays the most important role in chemical reactions? Choices: - noncovalent - intermediate - transition - valence A:
**Answer**
valence

Q: What kind of phenotype results in a case of incomplete dominance? Choices: - short phenotype - backward phenotype - long phenotype - intermediate phenotype A:
intermediate phenotype