Exam 3.docx - Unit 5, 6, & 7 Test 1. Which of the following...

Unit 5, 6, & 7 Test
1. Which of the following structures serves as the cell’s boundary from its environment?
a. mitochondrion
b. cell membrane
c. chloroplast
d. channel protein
2. During diffusion, when the concentration of molecules on both sides of a membrane is the
same, the molecules will
3. The diffusion of water across a selectively permeable membrane is called 4. Which means of particle transport requires input of energy from the cell?

5. Which means of particle transport is shown in the figure above?
a. diffusion
b. osmosis
c. facilitated diffusion
d. active transport

6. Which means of particle transport is shown in the figure above?