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QUESTION 35 The direction that most accurately describes secretory protein movement through the endomembrane system would be A. rough endoplasmic reticulum→vesicles→ Golgi apparatus→vesicles →plasma membrane B. plasmid→plasma membrane→nuclear envelope→smooth endoplasmic reticulum→vesicles C. nuclear envelope→vesicles→Golgi apparatus→rough endoplasmic reticulum→plasma membrane D. Golgi apparatus→smooth endoplasmic reticulum →lysosome→vesicles→plasma membrane QUESTION 36 What is the difference between osmosis and diffusion? A. Osmosis moves materials from low to high concentration, diffusion does the opposite. B. There is no difference between osmosis and diffusion. C. Osmosis moves materials from high to low concentration, diffusion does the opposite. D. Osmosis involves the movement of water; diffusion involves the movement of a solute. QUESTION 37 Five ATP molecules can theoretically cause how many Na+ and K+ to move across the membrane? A. 15 Na+ in and 10 K+ out B. 15 Na+ out and 10 K+ in C. 15 K+ in and 10 Na+ out D. 15 K+ out and 10 Na+ in QUESTION 38 A patient has had a serious accident and lost a lot of blood. In an attempt to replenish body fluids, distilled water, equal to the volume of blood lost, is transferred directly into one of his veins. What will be the most probable result of this transfusion? A. The patient's red blood cells will burst because the blood fluid is hypertonic compared to the cells. B. The patient's red blood cells will swell because the blood fluid is hypotonic compared to the cells. C. The patient's red blood cells will crenate because the blood fluid is hypotonic compared to the cells. D. The patient's red blood cells will crenate because the blood fluid is hypertonic compared to the cells. QUESTION 39 Turgor pressure is observed when a plant cell's environment is hypotonic. True False QUESTION 40 Cilia are different from flagella in that the cilia are shorter and less numerous. True False QUESTION 41 Cellular membranes are mosaic and symmetrical. True False QUESTION 42 Which of the following organelle(s) is(are) most likely to be able to divide and reproduce much like a cell does? A. mitochondria, chloroplasts, and lysosomes B. chloroplasts only C. mitochondria only D. both mitochondria and chloroplasts QUESTION 43 Metabolic reactions fall under two general categories: anabolic and catabolic. What type of chemical reactions are these two classes of metabolic reactions? A. Anabolic reactions are exergonic reactions, whereas catabolic reactions are endergonic. B. Anabolic reactions are endergonic reactions, whereas catabolic reactions are exergonic. C. Both anabolic and catabolic reactions are exergonic. D. Both anabolic and catabolic reactions are endergonic. QUESTION 44 In order for a protein to be an integral membrane protein it would have to be which of the following? A. amphipathic B. hydrophilic C. exposed on only one surface of the membrane D. hydrophobic QUESTION 45 Water passes quickly through cell membranes because A. water movement is tied to ATP hydrolysis. B. the bilayer is hydrophilic. C. it moves through aquaporins in the membrane. D. it is a small, polar, charged molecule.

          QUESTION 35
The direction that most accurately describes secretory protein
movement through the endomembrane system would be
A.
rough endoplasmic reticulum→vesicles→ Golgi apparatus→vesicles
→plasma membrane
B.
plasmid→plasma membrane→nuclear envelope→smooth endoplasmic
reticulum→vesicles
C.
nuclear envelope→vesicles→Golgi apparatus→rough endoplasmic
reticulum→plasma membrane
D.
Golgi apparatus→smooth endoplasmic reticulum
→lysosome→vesicles→plasma membrane

QUESTION 36
What is the difference between osmosis and diffusion?
A.
Osmosis moves materials from low to high concentration,
diffusion does the opposite.
B.
There is no difference between osmosis and diffusion.
C.
Osmosis moves materials from high to low concentration,
diffusion does the opposite.
D.
Osmosis involves the movement of water; diffusion involves the
movement of a solute.

QUESTION 37
Five ATP molecules can theoretically cause how many
Na+ and K+ to move across the
membrane?
A.
15 Na+ in and 10 K+ out
B.
15 Na+ out and 10 K+ in
C.
15 K+ in and 10 Na+ out
D.
15 K+ out and 10 Na+ in

QUESTION 38
A patient has had a serious accident and lost a lot of blood. In
an attempt to replenish body fluids, distilled water, equal to the
volume of blood lost, is transferred directly into one of his
veins. What will be the most probable result of this
transfusion?
A.
The patient's red blood cells will burst because the blood fluid
is hypertonic compared to the cells.
B.
The patient's red blood cells will swell because the blood fluid
is hypotonic compared to the cells.
C.
The patient's red blood cells will crenate because the blood
fluid is hypotonic compared to the cells.
D.
The patient's red blood cells will crenate because the blood
fluid is hypertonic compared to the cells.

QUESTION 39
Turgor pressure is observed when a plant cell's environment is
hypotonic.
True
False

QUESTION 40
Cilia are different from flagella in that the cilia are shorter
and less numerous.
True
False

QUESTION 41
Cellular membranes are mosaic and symmetrical.
True
False

QUESTION 42
Which of the following organelle(s) is(are) most likely to be
able to divide and reproduce much like a cell does?
A.
mitochondria, chloroplasts, and lysosomes
B.
chloroplasts only
C.
mitochondria only
D.
both mitochondria and chloroplasts

QUESTION 43
Metabolic reactions fall under two general categories: anabolic
and catabolic. What type of chemical reactions are these two
classes of metabolic reactions?
A.
Anabolic reactions are exergonic reactions, whereas catabolic
reactions are endergonic.
B.
Anabolic reactions are endergonic reactions, whereas catabolic
reactions are exergonic.
C.
Both anabolic and catabolic reactions are exergonic.
D.
Both anabolic and catabolic reactions are endergonic.

QUESTION 44
In order for a protein to be an integral membrane protein it
would have to be which of the following?
A.
amphipathic
B.
hydrophilic
C.
exposed on only one surface of the membrane
D.
hydrophobic

QUESTION 45
Water passes quickly through cell membranes because
A.
water movement is tied to ATP hydrolysis.
B.
the bilayer is hydrophilic.
C.
it moves through aquaporins in the membrane.
D.
it is a small, polar, charged molecule.

Added by Paula C.

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