Can anyone help me with these answers? 1. As an individual organism, is the bact
ID: 264693 • Letter: C
Question
Can anyone help me with these answers?
1. As an individual organism, is the bacterium composed of one or several cells?
a. One
b. Several
2. What features do all cells have in common? (check all that apply)
a. Nucleus
b. Cytoplasm
c. Plasma membrane
3. Plant and animal cells are both eukaryotic cells.
a. True
b. False
4.What features are unique to animal cells? (check all that apply)
a.Centriole
b. Mitochondrion
c. Chloroplast
d. Cell wall
e. Nucleus
5. The __________ is responsible for assisting in cell division.
a. Centriole
b. Golgi Body
c. Mitochondrion
d. Vacuole
6. The rough ER is responsible for synthesis of lipids.
a. True
b. False
7. Membrane 1 had little or no effect on the molecules movement.
a. True
b. False
8. Increasing temperature ______ the molecules' rate of movement and _______ the time to equilbrium.
a. increases; lengthens
b. increases; shortens
c. decreases; lengthens
d. decreases; shortens
9. Membrane 2 blocked the movement of the ________ molecules.
a. Large red
b. Small Blue
c. Both large red and small blue
d. Neither large red or small blue
10. An increase in the concentration of sucrose resulted in an increase in the time to equilibrium.
a. True
b. False
11. An increase in the membrane permeability increases the time to equilbrium.
a. True
b. False
12. The cell reaches equilibrium with its environment in the least amount of time when the concentration gradient is:
a. Modest
b. Large
c. Small
13. Does altering the permeability of the membrane change the direction of solute movement?
a. Yes
b. No
14. The rate of diffusion is a product of the diffusion constant and the diffusion gradient.
a. True
b. False
15. In active transport, is the solute (the ion or molecule being pumped) moving up or down its concentration gradient?
a. Up
b. Down
16. A molecule of ATP is necessary for active transport to occur.
a. True
b. False
17. Match the following processes with their description
- Osmosis
- Diffusion
- Active transport
A.
Needs energy to transport molecules
B.
Driven by random thermal movement
C.
Selectively permeable membrane
Explanation / Answer
Can anyone help me with these answers? 1. As an individual organism, is the bact
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