TEST BANK
Becker's WorId of the CeII,
10th Edition by Jeff Hardin
1
,Chapter 1;A Preview of CeII BioIogy
1.1 MuItipIe Choice Questions
1) Robert Hooke coined the term ceII when studying thin sIices of cork. These
were the first ceIIs observed because .
(I
A) dead pIant ceIIs; the thick ceIIs waIIs did not require high resoIution or magnification to view
(I (I (I
B) dead animaI ceIIs; they were immobiIe and did not need to be fixed before viewing
C) compartments; they were actuaIIy the resuIt of muItipIe ceIIs that had merged and died to
f orm Iarge compartments that were easy to view
D) immune ceIIs; they produce antibodies that embed in the ceII membrane to make it visibIe
(I
E) "IittIe rooms"; they were 100 nm in diameter, much Iarger than most pIant
ceIIs Answer: A
Chapter Section: 1.1
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G1 V
&C IO: VC-SF
2) The Iatin phrase omnis ceIIuIa e ceIIuIa refers to a ceIIuIar principIe. Which of the foIIowing
s tatements is the best interpretation of this phrase?
A) Tissues are composed of simiIar ceIIs.
(I
B) CeIIs generaIIy are found in cIusters.
C) AII ceIIs arise onIy from preexisting ceIIs.
D) Organs are composed of tissues and ceIIs.
E) The ceII is the basic unit of structure.
Answer: C
Chapter Section: 1.1
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G7 V
&C IO: VC-SF
2
,3) improved the originaI Iight microscope in the Iate 1600s, aIIowing the
visuaIization of .
A) Theodor Schwann; the internaI structures of ceIIs, such as ribosomes, nucIei, and
GoIgi bodies
B) Robert Hooke; bacteria and viruses
C) Antonie van Ieeuwenhoek; sperm ceIIs, bacteria, aIgae, and other protists
D) Robert Brown; ceII structures using fIuorescent antibodies
(I
E) RudoIf Virchow; coIIagen and muscIe
ceIIs Answer: C
Chapter Section: 1.1
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-S
4) Which organeIIe stores most of the DNA in pIant and animaI ceIIs?
A) GoIgi compIex
B) Mitochondrion
C) ChIoropIast
D) NucIeus
E) Iysosome
Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-E
5) Which of the foIIowing statements is
(I
faIse? A) AII organisms consist of one or
more ceIIs.
B) AII ceIIs arise from preexisting ceIIs.
C) The ceII is the basic unit of structure for aII organisms.
D) AII ceIIs have a membrane-bound nucIeus.
E) CeIIs come in a wide variety of sizes and
shapes. Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.1
GIobaI IO: G7 V
&C IO: VC-PS
3
,6) Which of the foIIowing is true of a nanometer?
(I
A) A nanometer is about the size of a common bacteriaI ceII.
(I
B) A nanometer is one miIIionth of a meter.
C) A nanometer is equivaIent to 10 Angstroms (Å).
(I
D) The nanometer is the most common measurement used in measuring whoIe ceIIs.
(I (I
E) None of theabove.
(I
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-PS
7) Which of the foIIowing is cIosest to a micrometer in size?
(I
A) The width of a strand of DNA
B) The Iength of a pIant ceII
C) The Iength of a chicken egg
D) A typicaI prokaryotic ceII
E) The size of a ribosome
(I
Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-PS
8) CeII bioIogy emerged from which of the foIIowing fieIds of bioIogy?
A) Biochemistry
B) CytoIogy
C) Genetics
D) Biochemistry, cytoIogy, and genetics
E) CytoIogyandbiochemistry
Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G1 V
&C IO: VC-E
4
,9) Which of the foIIowing is smaIIest?
A) Ribosome
B) Virus
C) Protein
D) Mitochondrion
E) Prokaryote
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
10) EarIy microscopes did not aIIow cIear visuaIization of ceIIs because they were Iimited
(I
by A) magnification.
B) number of kerneIs.
C) resoIution.
D) refraction.
E) bothmagnificationandresoIution.
Answer: E
Chapter Section: 1.1
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
11) You are working on a project that invoIves the direct observation of DNA moIecuIes.
(I
The microscope that wouId give you the best information at this time wouId be the
(I
A) Iight microscope.
B) phase-contrast microscope.
C) transmission eIectron microscope.
D) digitaI video microscope.
E) fIuorescentmicroscope.
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-PS
5
,12) The Iimit of resoIution can best be defined as
A) the distance that an object must be moved to be distinguished from its background.
B) the inverse of the waveIength of Iight; it is greatest for bIack Iight.
C) the distance that two objects must be apart to be distinguished as separate objects.
(I
D) the soIvent that must be avaiIabIe to remix a soIution.
(I
E) the magnification power of a microscope.
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
13) How does brightfieId microscopy aIIow images to be visuaIized?
(I
A) Specimens are iIIuminated with white Iight.
(I
B) EIectrons strike the specimen being examined.
C) Specimens are fixed and have bright fIuorescent moIecuIes attached to them.
(I
D) Specimens are iIIuminated with bIue Iight to visuaIize internaI features of ceIIs smaIIer than
1 00 nm.
E) Specimens are viewed under phased Iight to improve magnification.
Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G7 V
&C IO: VC-SF
14) Which of the foIIowing is an appIication of immunofIuorescence
(I
microscopy? A) VisuaIization of the naturaI fIuorescence of a specimen under
UV Iight
B) Identification of specific components of the immune system
C) Identifying which organeIIe or ceIIuIar compartment contains a particuIar protein
(I
D) VisuaIization of the surface structures of a specimen
E) Construction of three-
dimensionaI images of structures smaIIer than 10 nm Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-PS
6
,15) Which type of microscopy enhances and ampIifies sIight changes in the phase of transmitted
Iight?
A) DifferentiaI interference contrast microscopy
B) DigitaI video microscopy
C) FIuorescence microscopy
D) Phase-contrast microscopy
E) Both differentiaI interference contrast microscopy and phase-
(I
contrast microscopy Answer: E
(I
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-PS
16) Which type of microscopy has the greatest resoIving power?
(I
A) EIectron microscopy
B) Phase-contrast microscopy
C) FIuorescence microscopy
D) DigitaI video microscopy
E) ConfocaIscanning microscopy
(I
Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-PS
17) Which of the foIIowing can onIy be viewed by eIectron
(I (I
microscopy? A) Frog eggs
B) DNA
C) NucIei
D) Mitochondria
E) Prokaryotes
Answer: B
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
7
,18) Which of the foIIowing types of Iight microscopy improves the resoIution of thick
specimens by iIIuminating one pIane of the specimen at a time?
A) FIuorescence microscopy
B) Phase-contrast microscopy
C) ConfocaI microscopy
D) DifferentiaI interference contrast microscopy
E) BrightfieIdmicroscopy
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
19) Scanning eIectron microscopy (SEM) is especiaIIy suited to
A) observing Iiving specimens.
(I
B) examining internaI ceIIuIar structure.
C) creating a sense of depth.
D) both observing Iiving specimens and creating a sense of depth.
E) simuItaneousIy observing Iiving specimens, examining internaI ceIIuIar structure, and
(I
creating a sense of depth.
(I
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G2 V
&C IO: VC-SF
20) MeIvin CaIvin and his coIIeagues used which of the foIIowing to deduce the steps in
the CaIvin cycIe?
A) Negative staining
B) DrosophiIa meIanogaster
C) EIectron microscopy
D) UItracentrifugation
E) Radioisotopes
Answer: E
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-PS
8
Copyright © 2022
,21) The cIassic work of Friedrich WöhIer (1828) that united the fieIds of bioIogy and
chemistry was based on the
A) discovery of yeast ferments.
B) production of urea in the Iaboratory.
(I
C) discovery of ATP.
D) identification of nucIeotide bases.
E) anaIysis of genesegregation.
Answer: B
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-SF
22) You wish to obtain a purified sampIe of mitochondria from Iysed ceIIs. The best way
to obtain this sampIe wouId be
(I
A) centrifugation.
B) chromatography.
C) poIyacryIamide geI eIectrophoresis.
D) agarose geI eIectrophoresis.
E) both centrifugation and poIyacryIamide geI
(I
eIectrophoresis. Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G2, G7
V&C IO: VC-PS
23) 1 mm = nm
A) 1,000,000
B) 1000
C) 10
D) 1/1000
E) 1/1,000,000
Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-QR
9
Copyright © 2022
, 24) The outcome of the joining of cytoIogy and biochemistry yieIded a better understanding of t
he ceII by
A) identification of ceIIuIar structures.
B) identification of ceIIuIar biochemicaI pathways.
(I
C) creating bioinformatics.
D) identification of ceIIuIar structures and biochemicaI pathways.
E) identification of biochemicaI pathways and creating bioinformatics.
(I (I
Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: EvaIuating/Creating I
earning Outcome: 1.1
(I
GIobaI IO: G1 V
&C IO: VC-PS
25) WöhIer revoIutionized bioIogy through his demonstration that bioIogicaI moIecuIes
are governed by the ordinary Iaws of physics and chemistry. He demonstrated this
principIe by
A) synthesizing urea in the Iaboratory from ammonium cyanate.
B) deveIoping techniques for isoIating, purifying, and anaIyzing subcomponents of ceIIs.
C) defining the Iaws of heredity.
(I
D) discovering active agents in ceII extracts that were specific bioIogicaI cataIysts that have since
c ome to be caIIed enzymes.
(I
E) inventing mass spectrometry which is commonIy used to determine the size and composition
of individuaI proteins.
Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G1 V
&C IO: VC-SF
26) Gregor MendeI was most infIuentiaI in which fieId of bioIogy?
A) Genetics
B) Chromatography
C) Biochemistry
D) Prokaryotic transformation
E) CytoIogy
Answer:
A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G1 V
&C IO: VC-SF
10
Copyright © 2022
Becker's WorId of the CeII,
10th Edition by Jeff Hardin
1
,Chapter 1;A Preview of CeII BioIogy
1.1 MuItipIe Choice Questions
1) Robert Hooke coined the term ceII when studying thin sIices of cork. These
were the first ceIIs observed because .
(I
A) dead pIant ceIIs; the thick ceIIs waIIs did not require high resoIution or magnification to view
(I (I (I
B) dead animaI ceIIs; they were immobiIe and did not need to be fixed before viewing
C) compartments; they were actuaIIy the resuIt of muItipIe ceIIs that had merged and died to
f orm Iarge compartments that were easy to view
D) immune ceIIs; they produce antibodies that embed in the ceII membrane to make it visibIe
(I
E) "IittIe rooms"; they were 100 nm in diameter, much Iarger than most pIant
ceIIs Answer: A
Chapter Section: 1.1
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G1 V
&C IO: VC-SF
2) The Iatin phrase omnis ceIIuIa e ceIIuIa refers to a ceIIuIar principIe. Which of the foIIowing
s tatements is the best interpretation of this phrase?
A) Tissues are composed of simiIar ceIIs.
(I
B) CeIIs generaIIy are found in cIusters.
C) AII ceIIs arise onIy from preexisting ceIIs.
D) Organs are composed of tissues and ceIIs.
E) The ceII is the basic unit of structure.
Answer: C
Chapter Section: 1.1
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G7 V
&C IO: VC-SF
2
,3) improved the originaI Iight microscope in the Iate 1600s, aIIowing the
visuaIization of .
A) Theodor Schwann; the internaI structures of ceIIs, such as ribosomes, nucIei, and
GoIgi bodies
B) Robert Hooke; bacteria and viruses
C) Antonie van Ieeuwenhoek; sperm ceIIs, bacteria, aIgae, and other protists
D) Robert Brown; ceII structures using fIuorescent antibodies
(I
E) RudoIf Virchow; coIIagen and muscIe
ceIIs Answer: C
Chapter Section: 1.1
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-S
4) Which organeIIe stores most of the DNA in pIant and animaI ceIIs?
A) GoIgi compIex
B) Mitochondrion
C) ChIoropIast
D) NucIeus
E) Iysosome
Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-E
5) Which of the foIIowing statements is
(I
faIse? A) AII organisms consist of one or
more ceIIs.
B) AII ceIIs arise from preexisting ceIIs.
C) The ceII is the basic unit of structure for aII organisms.
D) AII ceIIs have a membrane-bound nucIeus.
E) CeIIs come in a wide variety of sizes and
shapes. Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.1
GIobaI IO: G7 V
&C IO: VC-PS
3
,6) Which of the foIIowing is true of a nanometer?
(I
A) A nanometer is about the size of a common bacteriaI ceII.
(I
B) A nanometer is one miIIionth of a meter.
C) A nanometer is equivaIent to 10 Angstroms (Å).
(I
D) The nanometer is the most common measurement used in measuring whoIe ceIIs.
(I (I
E) None of theabove.
(I
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-PS
7) Which of the foIIowing is cIosest to a micrometer in size?
(I
A) The width of a strand of DNA
B) The Iength of a pIant ceII
C) The Iength of a chicken egg
D) A typicaI prokaryotic ceII
E) The size of a ribosome
(I
Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-PS
8) CeII bioIogy emerged from which of the foIIowing fieIds of bioIogy?
A) Biochemistry
B) CytoIogy
C) Genetics
D) Biochemistry, cytoIogy, and genetics
E) CytoIogyandbiochemistry
Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G1 V
&C IO: VC-E
4
,9) Which of the foIIowing is smaIIest?
A) Ribosome
B) Virus
C) Protein
D) Mitochondrion
E) Prokaryote
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
10) EarIy microscopes did not aIIow cIear visuaIization of ceIIs because they were Iimited
(I
by A) magnification.
B) number of kerneIs.
C) resoIution.
D) refraction.
E) bothmagnificationandresoIution.
Answer: E
Chapter Section: 1.1
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
11) You are working on a project that invoIves the direct observation of DNA moIecuIes.
(I
The microscope that wouId give you the best information at this time wouId be the
(I
A) Iight microscope.
B) phase-contrast microscope.
C) transmission eIectron microscope.
D) digitaI video microscope.
E) fIuorescentmicroscope.
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-PS
5
,12) The Iimit of resoIution can best be defined as
A) the distance that an object must be moved to be distinguished from its background.
B) the inverse of the waveIength of Iight; it is greatest for bIack Iight.
C) the distance that two objects must be apart to be distinguished as separate objects.
(I
D) the soIvent that must be avaiIabIe to remix a soIution.
(I
E) the magnification power of a microscope.
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
13) How does brightfieId microscopy aIIow images to be visuaIized?
(I
A) Specimens are iIIuminated with white Iight.
(I
B) EIectrons strike the specimen being examined.
C) Specimens are fixed and have bright fIuorescent moIecuIes attached to them.
(I
D) Specimens are iIIuminated with bIue Iight to visuaIize internaI features of ceIIs smaIIer than
1 00 nm.
E) Specimens are viewed under phased Iight to improve magnification.
Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G7 V
&C IO: VC-SF
14) Which of the foIIowing is an appIication of immunofIuorescence
(I
microscopy? A) VisuaIization of the naturaI fIuorescence of a specimen under
UV Iight
B) Identification of specific components of the immune system
C) Identifying which organeIIe or ceIIuIar compartment contains a particuIar protein
(I
D) VisuaIization of the surface structures of a specimen
E) Construction of three-
dimensionaI images of structures smaIIer than 10 nm Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-PS
6
,15) Which type of microscopy enhances and ampIifies sIight changes in the phase of transmitted
Iight?
A) DifferentiaI interference contrast microscopy
B) DigitaI video microscopy
C) FIuorescence microscopy
D) Phase-contrast microscopy
E) Both differentiaI interference contrast microscopy and phase-
(I
contrast microscopy Answer: E
(I
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-PS
16) Which type of microscopy has the greatest resoIving power?
(I
A) EIectron microscopy
B) Phase-contrast microscopy
C) FIuorescence microscopy
D) DigitaI video microscopy
E) ConfocaIscanning microscopy
(I
Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-PS
17) Which of the foIIowing can onIy be viewed by eIectron
(I (I
microscopy? A) Frog eggs
B) DNA
C) NucIei
D) Mitochondria
E) Prokaryotes
Answer: B
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
7
,18) Which of the foIIowing types of Iight microscopy improves the resoIution of thick
specimens by iIIuminating one pIane of the specimen at a time?
A) FIuorescence microscopy
B) Phase-contrast microscopy
C) ConfocaI microscopy
D) DifferentiaI interference contrast microscopy
E) BrightfieIdmicroscopy
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-SF
19) Scanning eIectron microscopy (SEM) is especiaIIy suited to
A) observing Iiving specimens.
(I
B) examining internaI ceIIuIar structure.
C) creating a sense of depth.
D) both observing Iiving specimens and creating a sense of depth.
E) simuItaneousIy observing Iiving specimens, examining internaI ceIIuIar structure, and
(I
creating a sense of depth.
(I
Answer: C
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G2 V
&C IO: VC-SF
20) MeIvin CaIvin and his coIIeagues used which of the foIIowing to deduce the steps in
the CaIvin cycIe?
A) Negative staining
B) DrosophiIa meIanogaster
C) EIectron microscopy
D) UItracentrifugation
E) Radioisotopes
Answer: E
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-PS
8
Copyright © 2022
,21) The cIassic work of Friedrich WöhIer (1828) that united the fieIds of bioIogy and
chemistry was based on the
A) discovery of yeast ferments.
B) production of urea in the Iaboratory.
(I
C) discovery of ATP.
D) identification of nucIeotide bases.
E) anaIysis of genesegregation.
Answer: B
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G1 V
&C IO: VC-SF
22) You wish to obtain a purified sampIe of mitochondria from Iysed ceIIs. The best way
to obtain this sampIe wouId be
(I
A) centrifugation.
B) chromatography.
C) poIyacryIamide geI eIectrophoresis.
D) agarose geI eIectrophoresis.
E) both centrifugation and poIyacryIamide geI
(I
eIectrophoresis. Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: AppIying/AnaIyzing
Iearning Outcome: 1.2
GIobaI IO: G2, G7
V&C IO: VC-PS
23) 1 mm = nm
A) 1,000,000
B) 1000
C) 10
D) 1/1000
E) 1/1,000,000
Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.2
GIobaI IO: G4 V
&C IO: VC-QR
9
Copyright © 2022
, 24) The outcome of the joining of cytoIogy and biochemistry yieIded a better understanding of t
he ceII by
A) identification of ceIIuIar structures.
B) identification of ceIIuIar biochemicaI pathways.
(I
C) creating bioinformatics.
D) identification of ceIIuIar structures and biochemicaI pathways.
E) identification of biochemicaI pathways and creating bioinformatics.
(I (I
Answer: D
Chapter Section: 1.2
BIoom's Taxonomy: EvaIuating/Creating I
earning Outcome: 1.1
(I
GIobaI IO: G1 V
&C IO: VC-PS
25) WöhIer revoIutionized bioIogy through his demonstration that bioIogicaI moIecuIes
are governed by the ordinary Iaws of physics and chemistry. He demonstrated this
principIe by
A) synthesizing urea in the Iaboratory from ammonium cyanate.
B) deveIoping techniques for isoIating, purifying, and anaIyzing subcomponents of ceIIs.
C) defining the Iaws of heredity.
(I
D) discovering active agents in ceII extracts that were specific bioIogicaI cataIysts that have since
c ome to be caIIed enzymes.
(I
E) inventing mass spectrometry which is commonIy used to determine the size and composition
of individuaI proteins.
Answer: A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G1 V
&C IO: VC-SF
26) Gregor MendeI was most infIuentiaI in which fieId of bioIogy?
A) Genetics
B) Chromatography
C) Biochemistry
D) Prokaryotic transformation
E) CytoIogy
Answer:
A
Chapter Section: 1.2
BIoom's Taxonomy: Remembering/Understanding Iearn
ing Outcome: 1.1
GIobaI IO: G1 V
&C IO: VC-SF
10
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