Q: Of the four main wobble base pairs, guanine is paired with what? Choices: - thymine - cytosine - adenine - uracil A:
uracil

Q: How many types of leptons are there? Choices: - nine - two - twelve - six A:
six

Q: Q: Capillaries in the chorionic villi filter fetal wastes out of the blood and return clean, oxygenated blood to the fetus through what? Choices: - separates vein - Back Vein - skin vein - umbilical vein A:
A: umbilical vein

Question: Q: Water-soluble carboxylic acids ionize slightly in water to form these? Choices: - solvents - nonacidic solutions - very acidic solutions - moderately acidic solutions A:
Answer: moderately acidic solutions

*Question*
Q: What type of machines generally have lower efficiency but greater mechanical advantage? Choices: - calculation machines - simple machines - radical machines - compound machines A:
**Answer**
compound machines

(Question)
Q: Acids turn blue litmus paper which color? Choices: - grey - white - purple - red A:
(Answer)
red