chapter 1 cellular biology test bank and workbook
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1. what is the correct order of C. G1 phase
a normal cell cycle B. S PHASE
A. M phase D. G2 phase
B. S PHASE A. M phase
C. G1 phase
D. G2 phase
2. Which statement best de- ANS: C
scribes the cellular func- In metabolic absorption, all cells take in and use nutrients and other
tion of metabolic absorp- substances from their surroundings. The remaining options are not
tion? inclusive in their descriptions of cellular metabolic absorption.
a.
Cells can produce pro-
teins.
b.
Cells can secrete digestive
enzymes.
c.
Cells can take in and use
nutrients.
d.
Cells can synthesize fats.
3. Where is most of a cell's ge- ANS: C
netic information, includ- The nucleus contains the nucleolus, a small dense structure com-
ing RNA and DNA, con- posed largely of RNA, most of the cellular DNA, and the DNA-bind-
tained? ing proteins, such as the histones, which regulate its activity. The
a. mitochondria are responsible for cellular respiration and energy
Mitochondria production. Ribosomes' chief function is to provide sites for cellular
b. protein synthesis. Lysosomes function as the intracellular digestive
Ribosome system.
c.
, chapter 1 cellular biology test bank and workbook
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Nucleolus
d.
Lysosome
4. Which component of the ANS: B
cell produces hydrogen Peroxisomes are so named because they usually contain enzymes
peroxide (H2O2) by using that use oxygen to remove hydrogen atoms from specific substrates
oxygen to remove hydro- in an oxidative reaction that produces H2O2, which is a powerful
gen atoms from specific oxidant and potentially destructive if it accumulates or escapes from
substrates in an oxidative peroxisomes. Ribosomes are RNA-protein complexes (nucleopro-
reaction? teins) that are synthesized in the nucleolus and secreted into the
a. cytoplasm through pores in the nuclear envelope called nuclear
Lysosomes pore complexes. Lysosomes are saclike structures that originate
b. from the Golgi complex and contain more than 40 digestive enzymes
Peroxisomes called hydrolases, which catalyze bonds in proteins, lipids, nucleic
c. acids, and carbohydrates. An endosome is a vesical that has been
Ribosomes pinched off from the cellular membrane.
d.
Endosome
5. Which cell component is a.
capable of cellular autodi- Ribosome
gestion when it is released b.
during cell injury? Golgi complex
c.
Smooth endoplasmic reticulum
d.
Lysosomes
6. Which cAMP-mediated re- ANS: C
sponse is related to antidi- Antidiuretic hormone leads to increased retention of water in the
uretic hormone? body. Epinephrine causes increases in heart rate and force of con-
, chapter 1 cellular biology test bank and workbook
Study online at https://quizlet.com/_jmvptm
a. traction. Increased cortisol secretion is due to ACTH. Breakdown of
Increased heart rate and fat is due to glucagon.
force of contraction
b.
Secretion of cortisol
c.
Increased retention of wa-
ter
d.
Breakdown of fat
7. During which phase of the ANS: B
cell cycle is DNA synthe- The four designated phases of the cell cycle are: (1) the G1 phase (G
sized? = gap), which is the period between the M phase (M = mitosis) and
a. the start of DNA synthesis; (2) the S phase (S = synthesis), during
G1 which DNA is synthesized in the cell nucleus; (3) the G2 phase,
b. during which RNA and protein synthesis occurs, the period between
S the completion of DNA synthesis and the next phase (M); and (4)
c. the M phase, which includes nuclear and cytoplasmic division.
G2
d.
M
8. What organic compound ANS: C
facilitates transportation Proteins have several functions, including acting as receptors, trans-
across cell membranes by port channels for electrolytes, and enzymes to drive active pumps
acting as receptors, trans- Lipids help act as the "glue" holding cell membranes together. Pro-
port channels for elec- teases cause the breakdown of protein. Carbohydrates are involved
trolytes, and enzymes to in cellular protection and lubrication and help produce energy via
drive active pumps? oxidative phosphorylation.
a.
Lipids
Study online at https://quizlet.com/_jmvptm
1. what is the correct order of C. G1 phase
a normal cell cycle B. S PHASE
A. M phase D. G2 phase
B. S PHASE A. M phase
C. G1 phase
D. G2 phase
2. Which statement best de- ANS: C
scribes the cellular func- In metabolic absorption, all cells take in and use nutrients and other
tion of metabolic absorp- substances from their surroundings. The remaining options are not
tion? inclusive in their descriptions of cellular metabolic absorption.
a.
Cells can produce pro-
teins.
b.
Cells can secrete digestive
enzymes.
c.
Cells can take in and use
nutrients.
d.
Cells can synthesize fats.
3. Where is most of a cell's ge- ANS: C
netic information, includ- The nucleus contains the nucleolus, a small dense structure com-
ing RNA and DNA, con- posed largely of RNA, most of the cellular DNA, and the DNA-bind-
tained? ing proteins, such as the histones, which regulate its activity. The
a. mitochondria are responsible for cellular respiration and energy
Mitochondria production. Ribosomes' chief function is to provide sites for cellular
b. protein synthesis. Lysosomes function as the intracellular digestive
Ribosome system.
c.
, chapter 1 cellular biology test bank and workbook
Study online at https://quizlet.com/_jmvptm
Nucleolus
d.
Lysosome
4. Which component of the ANS: B
cell produces hydrogen Peroxisomes are so named because they usually contain enzymes
peroxide (H2O2) by using that use oxygen to remove hydrogen atoms from specific substrates
oxygen to remove hydro- in an oxidative reaction that produces H2O2, which is a powerful
gen atoms from specific oxidant and potentially destructive if it accumulates or escapes from
substrates in an oxidative peroxisomes. Ribosomes are RNA-protein complexes (nucleopro-
reaction? teins) that are synthesized in the nucleolus and secreted into the
a. cytoplasm through pores in the nuclear envelope called nuclear
Lysosomes pore complexes. Lysosomes are saclike structures that originate
b. from the Golgi complex and contain more than 40 digestive enzymes
Peroxisomes called hydrolases, which catalyze bonds in proteins, lipids, nucleic
c. acids, and carbohydrates. An endosome is a vesical that has been
Ribosomes pinched off from the cellular membrane.
d.
Endosome
5. Which cell component is a.
capable of cellular autodi- Ribosome
gestion when it is released b.
during cell injury? Golgi complex
c.
Smooth endoplasmic reticulum
d.
Lysosomes
6. Which cAMP-mediated re- ANS: C
sponse is related to antidi- Antidiuretic hormone leads to increased retention of water in the
uretic hormone? body. Epinephrine causes increases in heart rate and force of con-
, chapter 1 cellular biology test bank and workbook
Study online at https://quizlet.com/_jmvptm
a. traction. Increased cortisol secretion is due to ACTH. Breakdown of
Increased heart rate and fat is due to glucagon.
force of contraction
b.
Secretion of cortisol
c.
Increased retention of wa-
ter
d.
Breakdown of fat
7. During which phase of the ANS: B
cell cycle is DNA synthe- The four designated phases of the cell cycle are: (1) the G1 phase (G
sized? = gap), which is the period between the M phase (M = mitosis) and
a. the start of DNA synthesis; (2) the S phase (S = synthesis), during
G1 which DNA is synthesized in the cell nucleus; (3) the G2 phase,
b. during which RNA and protein synthesis occurs, the period between
S the completion of DNA synthesis and the next phase (M); and (4)
c. the M phase, which includes nuclear and cytoplasmic division.
G2
d.
M
8. What organic compound ANS: C
facilitates transportation Proteins have several functions, including acting as receptors, trans-
across cell membranes by port channels for electrolytes, and enzymes to drive active pumps
acting as receptors, trans- Lipids help act as the "glue" holding cell membranes together. Pro-
port channels for elec- teases cause the breakdown of protein. Carbohydrates are involved
trolytes, and enzymes to in cellular protection and lubrication and help produce energy via
drive active pumps? oxidative phosphorylation.
a.
Lipids
