*Question*
Q: What are long chains of amino acids? Choices: - lipids - Fatty Acid Chains - cells - proteins A:
**Answer**
proteins

*Question*
Q: In the case of the wheelbarrow, the output force or load is between the pivot and the what? Choices: - velocity force - Driving Force - density force - input force A:
**Answer**
input force

*Question*
Q: When waves are reflected at the same angle, what is it called? Choices: - field of view - refraction - phenomenon of reflection - angle of reflection A:
**Answer**
angle of reflection

*Question*
Q: What do vectors possess that scalars do not? Choices: - height and polarity - direction and texture - magnitude and weight - magnitude and direction A:
**Answer**
magnitude and direction