Which statement best describes the role of the cell membrane?
a. it stores genetic material.
b. it encloses the cytoplasm.
c. it produces proteins.
d. it breaks down food particles.

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

What does the number 18.9984 represent in the image?