Q: The second step in eukaryotic cell division is division of which part of the cell? Choices: - protons - molecules - Cell Division - nucleus A:
nucleus

Q: Three distinct layers or tunics form the walls of what structures; the first is a smooth, inner lining of endothelial cells in contact with the red blood cells? Choices: - lungs - white blood cells - alveoli - blood vessels A:
blood vessels

Q: Q: Graded potentials are temporary changes in what, the characteristics of which depend on the size of the stimuli? Choices: - components voltage - organic voltage - organism voltage - membrane voltage A:
A: membrane voltage

Question: Q: What part of the cell does cellular respiration occur? Choices: - glucose - proton - nuclei - mitochondria A:
Answer: mitochondria

*Question*
Q: How long does it take for the earth to make a complete rotation of its axis? Choices: - one year - one month - 24.25 hours - 24 hours A:
**Answer**
24 hours

Q: Because the masses of subatomic particles are so small, a new unit, called what, was defined? Choices: - atomic volume unit - particle mass unit - nuclear mass unit - atomic mass unit A:
atomic mass unit