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PATHOPHYSIOLOGY CHAPTER 1 CELLULAR BIOLOGYEDITION MCCANCE TEST BANK NEWEST ACTUAL TEST QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES|ALREADY GRADED A$15.49
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PATHOPHYSIOLOGY CHAPTER 1 CELLULAR BIOLOGYEDITION MCCANCE TEST BANK NEWEST ACTUAL TEST QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES|ALREADY GRADED A
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Course
Pathophysiology
Institution
Pathophysiology
PATHOPHYSIOLOGY CHAPTER 1 CELLULAR BIOLOGYEDITION
MCCANCE TEST BANK NEWEST ACTUAL TEST QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES|ALREADY
GRADED A
PATHOPHYSIOLOGY CHAPTER 1 CELLULAR BIOLOGYEDITION
MCCANCE TEST BANK NEWEST ACTUAL TEST QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES|ALREADY
GRADED A
Which statement best describes the cellular function of
metabolic absorption?
a. Cells can produce proteins.
b. Cells can secrete digestive enzymes.
c. Cells can take in and use nutrients.
d. Cells can synthesize fats. - ANSWER ..> ANS: C
In metabolic absorption, all cells take in and use nutrients and
other substances from their
surroundings.
Most of a cell's genetic information, including RNA and DNA, is
contained in the:
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Lysosome - ANSWER ..> ANS: C
The nucleus contains the nucleolus, a small dense structure
composed largely of RNA, most
of the cellular DNA, and the DNA-binding proteins, such as the
histones, which regulate its
activity.
1
Page
, Which component of the cell produces hydrogen peroxide
(H2O2) by using oxygen to remove
hydrogen atoms from specific substrates in an oxidative
reaction?
a. Lysosomes
b. Peroxisomes
c. Ribosomes
d. Oxyhydrosomes - ANSWER ..> ANS: B
Peroxisomes are so named because they usually contain
enzymes that use oxygen to remove
hydrogen atoms from specific substrates in an oxidative
reaction that produces H2O2, which is
a powerful oxidant and potentially destructive if it accumulates
or escapes from peroxisomes.
Which cell component is capable of cellular autodigestion when
it is released during cell
injury?
a. Ribosome
b. Golgi complex
c. Smooth endoplasmic reticulum
d. Lysosomes - ANSWER ..> ANS: D
The lysosomal membrane acts as a protective shield between
the powerful digestive enzymes
within the lysosome and the cytoplasm, preventing their
leakage into the cytoplasmic matrix.
What is the sequence of steps in the development of a
2
digestive enzyme by the pancreas cells
Page
, from the initial transcription to the release from the cell?
a. The enzyme is transcribed from DNA by RNA in the nucleus,
proceeds to the
ribosome for synthesis, and is transported in a secretory vesicle
to the cell
membrane.
b. The enzyme is transcribed from RNA by DNA in the nucleus,
proceeds to the
lysosome for synthesis, and is transported in an encapsulated
membrane to the cell
membrane.
c. The enzyme is transcribed by the mitochondria in the
nucleus, proceeds to the
ribosome for synthesis, and is transported in a cytoskeleton to
the cell membrane.
d. The enzyme is transcribed from DNA by RNA in the nucleus,
proceeds to the
Golgi complex for synthesis, and is transported in a cytosol to
the cell membrane. - ANSWER ..> ANS: A
The enzyme is transcribed from DNA by RNA in the nucleus,
proceeds to the ribosome for
synthesis, and is transported in a secretory vesicle to the cell
membrane.
During which phase of the cell cycle is DNA synthesized?
a. G1
b. S
c. G2
3
d. M - ANSWER ..> ANS: B
Page
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