Problem:OPTIONS:
- ancestors
- skeletons
- blood
- excretions

Q: Phosphate-containing ocean sediments form primarily from the bodies of ocean organisms and from their what? A:
****
A: excretions

Q: The db gene encodes the which receptor? A:
OPTIONS:
- glucose
- opioid
- estrogen
- leptin
leptin

Q: What is the generation of electricity using photovoltaic cells to split water molecules called? A:
OPTIONS:
- hybrid electricity
- aqua-electricity
- photovoltaic cells
- photoelectrolysis

Answer: photoelectrolysis

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

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

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