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Bio 180 Exam 5 BYUI ACTUAL VERIFIED EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
LATEST UPDATE THIS YEAR.pdf||NEWEST EXAM!!!
What kinds of molecules pass through a cell membrane
most easily?
A. Small and hydrophobic
B. Monosaccharides
C. Ionic
D. Large polar
E. Large and hydrophobic - Answer-A
The standard Kool Aid recipe calls for 1 cup of sugar
dissolved in 2 quarts of water. But you like your Kool Aid
more sour, so you only add 1/2 cup sugar. Which of the
following statements is true?
A. Your sour Kool Aid has a lower concentration of sugar
and is hyperosmotic to the original Kool Aid.
B. Your sour Kool Aid has a higher concentration of sugar
and is hyperosmotic to the original Kool Aid.
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C. The original Kool Aid is hyperosmotic to your sour Kool
Aid.
D. The original Kool Aid is hypoosmotic to your sour Kool
Aid.
E. The original Kool Aid is isosmotic to your sour Kool Aid.
- Answer-C
Which of the following membrane activities require energy
from ATP hydrolysis?
A. Movement of glucose molecules
B. Movement of water into a paramecium
C. Movement of water into a cell
D. Facilitated diffusion
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E. Na+ ions moving out of the cell - Answer-E
Which of the following statements is true for the sodium-
potassium pump?
A. It pumps two sodium ions for every three potassium
ions.
B. It requires one ATP molecule for each sodium that is
pumped across the membrane.
C. It is an example of secondary active transport.
D. It pumps potassium into the cell while pumping sodium
out of the cell. - Answer-D
Which of the following statements correctly describes the
normal tonicity conditions for typical plant and animal
cells?
A. The animal cell is in a hypertonic solution and the plant
cell is in an isotonic solution.
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B. The animal cell is in an isotonic solution, and the plant
cell is in a hypertonic solution.
C. The animal cell is in an isotonic solution, and the plant
cell is in a hypotonic solution.
D. The animal cell is in a hypotonic solution, and the plant
cell is in an isotonic solution.
E. The animal cell is in a hypertonic solution, and the plant
cell is in a hypotonic solution. - Answer-C
Plant cells do best in ___________.
A. hypertonic solutions
B. isotonic solutions
C. hypotonic solutions - Answer-C
Which of the following molecules is readily capable of
simple diffusion across a cell membrane?
A. Sodium
B. Glucose
Bio 180 Exam 5 BYUI ACTUAL VERIFIED EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
LATEST UPDATE THIS YEAR.pdf||NEWEST EXAM!!!
What kinds of molecules pass through a cell membrane
most easily?
A. Small and hydrophobic
B. Monosaccharides
C. Ionic
D. Large polar
E. Large and hydrophobic - Answer-A
The standard Kool Aid recipe calls for 1 cup of sugar
dissolved in 2 quarts of water. But you like your Kool Aid
more sour, so you only add 1/2 cup sugar. Which of the
following statements is true?
A. Your sour Kool Aid has a lower concentration of sugar
and is hyperosmotic to the original Kool Aid.
B. Your sour Kool Aid has a higher concentration of sugar
and is hyperosmotic to the original Kool Aid.
,2|Page
C. The original Kool Aid is hyperosmotic to your sour Kool
Aid.
D. The original Kool Aid is hypoosmotic to your sour Kool
Aid.
E. The original Kool Aid is isosmotic to your sour Kool Aid.
- Answer-C
Which of the following membrane activities require energy
from ATP hydrolysis?
A. Movement of glucose molecules
B. Movement of water into a paramecium
C. Movement of water into a cell
D. Facilitated diffusion
,3|Page
E. Na+ ions moving out of the cell - Answer-E
Which of the following statements is true for the sodium-
potassium pump?
A. It pumps two sodium ions for every three potassium
ions.
B. It requires one ATP molecule for each sodium that is
pumped across the membrane.
C. It is an example of secondary active transport.
D. It pumps potassium into the cell while pumping sodium
out of the cell. - Answer-D
Which of the following statements correctly describes the
normal tonicity conditions for typical plant and animal
cells?
A. The animal cell is in a hypertonic solution and the plant
cell is in an isotonic solution.
, 4|Page
B. The animal cell is in an isotonic solution, and the plant
cell is in a hypertonic solution.
C. The animal cell is in an isotonic solution, and the plant
cell is in a hypotonic solution.
D. The animal cell is in a hypotonic solution, and the plant
cell is in an isotonic solution.
E. The animal cell is in a hypertonic solution, and the plant
cell is in a hypotonic solution. - Answer-C
Plant cells do best in ___________.
A. hypertonic solutions
B. isotonic solutions
C. hypotonic solutions - Answer-C
Which of the following molecules is readily capable of
simple diffusion across a cell membrane?
A. Sodium
B. Glucose
