BIO 270 JMU Hynd Exam 1 ( ch 1-4) || Most Recent 2025/2026
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The barrier that separates and controls movement between
the cell contents
and the extracellular fluid is the __________ - ANSWER-
Plasma Membrane
The chemical that directs protein synthesis and serves as a
genetic blueprint is
_________, which is found in the _______ of the cell.
- ANSWER-
deoxyribonucleic acid ( DNA),
nucleus
The cytoplasm consists of ______, which are discrete
specialized, intracellular compartments, a gel like mass known
as _____, and an elaborate protein scaffolding called the
______. - ANSWER-organelles, cytosol, cytoskeleton
Transport vesicles from the ______ fuse with and enter
the _____ for
modification and sorting. - ANSWER-endoplasmic
reticulum, golgi complex
,The ______ enzymes within the peroxisomes primarily
detoxify various waste
produced within the cell or foreign compounds that have
entered the cell. -
ANSWER-
oxidative
The universal energy carrier of the body is ? - ANSWER-ATP
The three types of receptors with regard to mode of action are
_______, _______, and __________ - ANSWER-receptor
channel, receptor enzyme, G protein-coupled receptor
What potential behaves in all or none fashion - ANSWER-action
what potential is a magnitude of potential change varying
with magnitude of
triggering event? - ANSWER-graded
potential
what potential is decremental spread away from original
site? - ANSWER-
graded
potential
what potential undiminished spread throughout membrane -
ANSWER-action
, potential
what potential serves as a long distance signal - ANSWER-
action potential
what potential serves as a short distance signal? - ANSWER-
graded potential
The one way propagation of action potentials away from the
original site of
activation is insured by - ANSWER-
refractory period
Which of the following activities is not carried out by every cell
in the body? - ANSWER-A. Obtaining O2 and nutrients
B. Performing chemical reactions to acquire energy for the
cells use
C. Eliminating waste
D. Controlling to a large extent exchange of materials between
the cell and its external environment
E. Reproducing
Answer E
What is the proper progression of the levels of organization
of the body? -
ANSWER-Chemicals, Cells, Tissue, organs, body
systems, whole body
Actual Complete Real Exam Questions And Verified Answers | 100%
Correct Answers Graded A+ / Guaranteed Success!! Newest
Exam / Just Released!!!
The barrier that separates and controls movement between
the cell contents
and the extracellular fluid is the __________ - ANSWER-
Plasma Membrane
The chemical that directs protein synthesis and serves as a
genetic blueprint is
_________, which is found in the _______ of the cell.
- ANSWER-
deoxyribonucleic acid ( DNA),
nucleus
The cytoplasm consists of ______, which are discrete
specialized, intracellular compartments, a gel like mass known
as _____, and an elaborate protein scaffolding called the
______. - ANSWER-organelles, cytosol, cytoskeleton
Transport vesicles from the ______ fuse with and enter
the _____ for
modification and sorting. - ANSWER-endoplasmic
reticulum, golgi complex
,The ______ enzymes within the peroxisomes primarily
detoxify various waste
produced within the cell or foreign compounds that have
entered the cell. -
ANSWER-
oxidative
The universal energy carrier of the body is ? - ANSWER-ATP
The three types of receptors with regard to mode of action are
_______, _______, and __________ - ANSWER-receptor
channel, receptor enzyme, G protein-coupled receptor
What potential behaves in all or none fashion - ANSWER-action
what potential is a magnitude of potential change varying
with magnitude of
triggering event? - ANSWER-graded
potential
what potential is decremental spread away from original
site? - ANSWER-
graded
potential
what potential undiminished spread throughout membrane -
ANSWER-action
, potential
what potential serves as a long distance signal - ANSWER-
action potential
what potential serves as a short distance signal? - ANSWER-
graded potential
The one way propagation of action potentials away from the
original site of
activation is insured by - ANSWER-
refractory period
Which of the following activities is not carried out by every cell
in the body? - ANSWER-A. Obtaining O2 and nutrients
B. Performing chemical reactions to acquire energy for the
cells use
C. Eliminating waste
D. Controlling to a large extent exchange of materials between
the cell and its external environment
E. Reproducing
Answer E
What is the proper progression of the levels of organization
of the body? -
ANSWER-Chemicals, Cells, Tissue, organs, body
systems, whole body
