Q: Answer the question

The reaction that releases energy for use by the cell occurs in which site?
OPTIONS:
- Golgi apparatus
- endoplasmic reticulum
- cytoplasmic membrane
- mitochondrial membrane

A: mitochondrial membrane

Q: Answer the question

Which of the following is an example of matter changing state?
OPTIONS:
- heating a pan of water until the water is all gone
- putting a soft-drink can in the refrigerator to cool it
- heating soup on the stove until it is hot to your tongue
- transferring sugar into a storage container

A: heating a pan of water until the water is all gone

Q: Answer the question

The cheetah population around the world has decreased because of poaching and loss of habitat. The surviving population is found to have similar alleles. Which factor is endangering the species' survival the most?
OPTIONS:
- harmful genetic mutations
- shrinking of the gene pool
- decrease in competition
- increase in adaptations

A:
shrinking of the gene pool