Q: In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of? Choices: - four atp molecules - six atp molecules - three atp molecules - two atp molecules A:
two atp molecules

Q: What type of cells are arranged into tightly packed sheaths around the veins of the leaf? Choices: - pattern - sheath cells - cellulose - cell walls - bundle-sheath cells A:
bundle-sheath cells

Q: Q: In what stage of photosynthesis does the calvin cycle occur? Choices: - third - fourth - first - second A:
A: second

Question: Q: What property of fluids causes something to stay on or near the surface of water? Choices: - density - strength - weight - buoyancy A:
Answer: buoyancy

*Question*
Q: What element has the atomic number 16? Choices: - oxygen - helium - neon - sulfur A:
**Answer**
sulfur

*Question*
Q: Which cell gives rise to all cells of the human body? Choices: - signaler stem cell - omnipoten stem cell - schwann stem cell - totipotent stem cell A:
**Answer**
totipotent stem cell