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BSC1005 MIDTERM MDC; COMPREHENSIVE
EXAM WITH CORRECT SOLUTIONS
______ are the major lipids of plasma membranes. -correct-answer-Phospholipids
What type of microscope would be best for studying the detailed structure of the
surface of a plasma membrane? -correct-answer-Scanning electron microscope.
Active transport ______.
A) Uses ATP as an energy source
B) Can move solutes against their concentration gradient
C) Requires the cell to expend energy
D) Can involve the transport of ions
E) All of the above -correct-answer-E) All of the above
In a hypotonic solution, a plant cell will _____. -correct-answer-become turgid.
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An object at rest has no ______ energy, but it may have _____ energy resulting
from its location or structure. -correct-answer-kinetic....potential.
Energy is transferred from ATP to other molecules by transferring a(n) ______. -
correct-answer-Phosphate group.
Which component of the following reaction is the SUBSTRATE?
sucrose + sucrase + water --> sucrase + glucose + fructose -correct-answer-
Sucrose.
Relaying a message from a receptor protein to a molecule that performs a specific
function within a cell is called _____. -correct-answer-Signal transduction.
Osmosis can be defined as ______. -correct-answer-The diffusion of water.
Which component of the following reaction is the ENZYME?
sucrose + sucrase + water sucrase + glucose + fructose -correct-answer-Sucrase.
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Substances that plug up an enzymes active sites are ___. -correct-answer-Enzyme
inhibitors
Facilitated diffusion across a biological membrane requires _____ and moves a
substance _____ its concentration gradient. -correct-answer-Transport proteins
Down.
The act of a white blood cell engulfing a bacteruim is _____. -correct-answer-
phagocytosis
An enzymes function is dependent on its ______. -correct-answer-Shape.
Diffusion ______. -correct-answer-Proceeds until equilibrium is reached.
Which of the following processes could result in the net movement of a substance
into a cell, if the substance is more concentrated in the cell than in the
surroundings? -correct-answer-Active Transport.
BSC1005 MIDTERM MDC; COMPREHENSIVE
EXAM WITH CORRECT SOLUTIONS
______ are the major lipids of plasma membranes. -correct-answer-Phospholipids
What type of microscope would be best for studying the detailed structure of the
surface of a plasma membrane? -correct-answer-Scanning electron microscope.
Active transport ______.
A) Uses ATP as an energy source
B) Can move solutes against their concentration gradient
C) Requires the cell to expend energy
D) Can involve the transport of ions
E) All of the above -correct-answer-E) All of the above
In a hypotonic solution, a plant cell will _____. -correct-answer-become turgid.
,2|Page
An object at rest has no ______ energy, but it may have _____ energy resulting
from its location or structure. -correct-answer-kinetic....potential.
Energy is transferred from ATP to other molecules by transferring a(n) ______. -
correct-answer-Phosphate group.
Which component of the following reaction is the SUBSTRATE?
sucrose + sucrase + water --> sucrase + glucose + fructose -correct-answer-
Sucrose.
Relaying a message from a receptor protein to a molecule that performs a specific
function within a cell is called _____. -correct-answer-Signal transduction.
Osmosis can be defined as ______. -correct-answer-The diffusion of water.
Which component of the following reaction is the ENZYME?
sucrose + sucrase + water sucrase + glucose + fructose -correct-answer-Sucrase.
, 3|Page
Substances that plug up an enzymes active sites are ___. -correct-answer-Enzyme
inhibitors
Facilitated diffusion across a biological membrane requires _____ and moves a
substance _____ its concentration gradient. -correct-answer-Transport proteins
Down.
The act of a white blood cell engulfing a bacteruim is _____. -correct-answer-
phagocytosis
An enzymes function is dependent on its ______. -correct-answer-Shape.
Diffusion ______. -correct-answer-Proceeds until equilibrium is reached.
Which of the following processes could result in the net movement of a substance
into a cell, if the substance is more concentrated in the cell than in the
surroundings? -correct-answer-Active Transport.
