cell
Authored by Fritzie Salunga
Education
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Our bodies use this Bio-molecule as it's building material. Often found in meats, eggs, and dairy products.
Carbohydrates
Proteins
Lipids
Baconidis
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A hypotonic solution is one whose concentration:
is equal to that inside a cell
is greater than that inside a cell
is less than that inside a cell
none of the above
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Plasmolysis occurs when a(n) ______ cell is immersed in a ________ solution.
plant; pure water
plant; 3X saline
animal; pure water
animal; 3X saline
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
During surgery, exposed tissues are moistened with sterile Ringer's solution to prevent shrinkage or lysis of the cells. Ringer's solution must be _______ relative to cells in the tissue.
hypotonic
isotonic
hypertonic
hyponic
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following substances requires a protein carrier in order to cross a membrane?
water
glucose
sodium ion
all of the above
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following substances normally fails to cross cell membranes under any circumstances?
water
DNA
fatty acid
ethanol
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the difference between active transport (AT) and facilitated diffusion (FD)?
AT requires protein carriers; FD does not.
AT requires energy; FD does not
AT requires a concentration gradient; FD does not.
AT requires a membrane; FD does not
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