Circle the correct answer to the following questions:
1. oxygen is used in
2. oxygen is the input in:
anaerobic / aerobic
photosynthesis / cellular respiration
3. there are mo
hiscle / bone
re are more mitochondria in
4. there are more chloroplasts in
roots / leaves
5. photosynthesis occurs in
sun / the dark
6. humans produce
glucose / carbon dioxide
7. plants produce
cose / carbon dioxide

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.