Problem: OPTIONS:
- manipulates the cell
- migrates the cell
- destroys the cell
- elongates the cell
Q: Q: A mitotic spindle forms from the centrioles and passes through the nuclear membrane, which remains intact. chromosomes attach to the mitotic spindle, which separates the chromosomes and does what? A:
Answer: elongates the cell

Problem:OPTIONS:
- valuable
- reusable
- renewable
- nonrenewable

Q: Fossil fuels and coal are examples of what kind of resources? A:
****
A: nonrenewable

Q: Sound is the transfer of energy from a vibrating object in waves that travel through what? A:
OPTIONS:
- light
- time
- water
- matter
matter

Q: What are models good for? A:
OPTIONS:
- they are expensive to make
- they are identical to the real thing
- they are independent variables
- they give us an idea of what the real thing is like

Answer: they give us an idea of what the real thing is like

Question: Q: Genetic diversity in a population comes from two main sources - sexual reproduction and what else? A:
OPTIONS:
- radiation
- education
- pathogen
- mutation
Answer: mutation

input: OPTIONS:
- distrophy
- mutation
- exhaustion
- atrophy Now, answer this question: Q: Loss of muscle mass due to breakdown of structural proteins is known as what? A:
A:
output:
atrophy