input with options: Q: Bone marrow is found inside many bones and produces what? A:
OPTIONS:
- tumors
- sugar
- apoptosis
- lymphocytes
output: lymphocytes

Q: Q: A membrane has what property if it can control what molecules or ions enter or leave the cell? A:

OPTIONS:
- indiscreet permeability
- impermeability
- susceptible permeability
- selective permeability

A: selective permeability

input: OPTIONS:
- ions
- electrons
- neutrons
- photons Now, answer this question: Q: What are the tiny packets of energy the sun gives off called? A:
A:
output: photons

Q: What is another name for collar cells? A:

OPTIONS:
- enzymes
- sporozoans
- clutches
- choanocytes

Answer: choanocytes

Problem: OPTIONS:
- vertical
- convex
- spectral
- elliptical
Q: Q: What types of orbits do comets usually have? A:
Answer: elliptical

Q: What type of energy is used when a roller coaster runs downhill? A:

OPTIONS:
- vibrational energy
- residual energy
- proportional energy
- kinetic energy

Answer:
kinetic energy