Q: Q: If a machine only changes the direction of a force without changing the ratio of the output/input forces, then what is its associated mechanical advantage? Choices: - 4 - 1.5 - 2 - 1 A:
A: 1

Q: Q: Amino acids contain both a carboxylic acid group and what other group? Choices: - lipid - fatty - compounds - amine A:
A: amine

Q: Q: Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these? Choices: - lipid molecules - protein molecules - oxygen molecules - carbohydrate molecules A:
A: carbohydrate molecules

Q: Q: Why do homonuclear diatomic molecules have zero dipole moment? Choices: - no electrical attraction - no activation energy - at homeostasis - no difference in electronegativity A:
A: no difference in electronegativity