Q: Tropomyosin is a type of what, that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin? A:

OPTIONS:
- enzyme
- bacteria
- amine
- protein

Answer: protein

Problem: OPTIONS:
- amoena cells
- supercapacitor cells
- mast cells
- phagocytic cells
Q: Q: Macrophages and dendritic cells are types of what" A:
Answer: phagocytic cells

Problem:OPTIONS:
- hydrogen dichromate
- potassium chloride
- hydrogen chloride
- potassium dichromate

Q: Which common oxidizing agent can be used to oxidize alcohols? A:
****
A: potassium dichromate

Q: What part of an atom is electrically neutral? A:
OPTIONS:
- protons
- electrons
- newtons
- neutrons
neutrons

Q: What is the brightest star in the orion constellation? A:
OPTIONS:
- natel
- omicron
- sol
- rigel

Answer: rigel

input with options: Q: The right ventricle pumps what type of blood toward the lungs? A:
OPTIONS:
- plasma
- oxygenated
- oxygen-rich
- oxygen-poor
output:
oxygen-poor