Q: What is the main component of paper, cardboard, and textiles made from cotton, linen, and other plant fibers? Choices: - pulp - cambium - vascular tissue - cellulose A:
cellulose

Q: The outer layer of what anatomical structure is so tough that it keeps out most pathogens? Choices: - liver - steel - bark - skin A:
skin

Q: Q: What do we call an incorrect test result that should have been positive? Choices: - external positive - false positive - personal negative - false negative A:
A: false negative

Question: Q: What does fluorine attract better than any other element? Choices: - ionic bonds - electron shells - magnets - shared electrons A:
Answer: shared electrons

*Question*
Q: What type of protein fibers in the cytoskeleton are the narrowest? Choices: - macrophages - mitosis - capillaries - microfilaments A:
**Answer**
microfilaments

(Question)
Q: The units of time, day and year are based on what? Choices: - motions of the sun - gravitational waves - moon phases - motions of earth A:
(Answer)
motions of earth