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S
Multiple Choice Questions
S S
1. Cellular S foundations
Pages: S3-4 S Difficulty: S1 Ans: SC
In Sa Sbacterial Scell, Sthe SDNA Sis Sin Sthe:
A) cell Senvelope.
B) cell S membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. Cellular S foundations
Page: S 4 Difficulty: S 1 Ans: S E
A Smajor Schange Soccurring Sin Sthe S evolution Sof Seukaryotes Sfrom Sprokaryotes Swas Sthe Sde
A) DNA.
B) photosynthetic S capability.
C) plasma Smembranes.
D) ribosomes.
E) the Snucleus.
3. Cellular S foundations
Page: S 4 Difficulty: S 1 Ans: S B
In Seukaryotes, Sthe Snucleus Sis Senclosed Sby Sa S double Smembrane Scalled Sthe:
A) cell S membrane.
B) nuclear Senvelope. @thebo
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Cellular S foundations
Page: S4 Difficulty: S 1 Ans: SC
The Sdimensions Sof Sliving Scells Sare Slimited, Son Sthe S lower Send Sby Sthe Sminimum Snumb
Sbiomolecules Snecessary Sfor Sfunction, Sand Son Sthe S upper Send Sby Sthe Srate S of Sdiffusio
Ssuch Sas Soxygen.
Except Sfor Shighly Selongated Scells, Sthey Susually Shave Slengths Sand Sdiameters Sin Sthe S ran
A) 0.1 Sµm Sto S10 Sµm.
B) 0.3 Sµm Sto S30 Sµm.
C) 0.3 Sµm Sto S100 S µm.
,2 Chapter S 1 S S The S Foundatio
S Biochemistry
5. Cellular S foundations
Page: S 5 Difficulty: S 2 Ans: S B
The Sbacterium SE. Scoli Srequires Ssimple Sorganic Smolecules Sfor Sgrowth Sand S energy—it Sis
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
6. Cellular S foundations
Page: S 10 Difficulty: S 2 Ans: S B
Which Sone Sof Sthe Sfollowing Shas Sthe Scellular Scomponents Sarranged Sin Sorder Sof S increasin
A) Amino Sacid S< Sprotein S< S mitochondrion S< Sribosome
B) Amino Sacid S< Sprotein S< Sribosome S< Smitochondrion
C) Amino Sacid S< Sribosome S< Sprotein S< Smitochondrion
D) Protein S< Samino Sacid S< S mitochondrion S< Sribosome
E) Protein S< Sribosome S< Smitochondrion S< Samino Sacid
7. Cellular S foundations
Page: S 11 Difficulty: S 2 Ans: S A
The Sthree-dimensional Sstructure Sof Smacromolecules Sis Sformed Sand Smaintained Sprima
Snoncovalent Sinteractions. S Which Sone Sof Sthe Sfollowing Sis S not Sconsidered Sa Snoncovale
Sinteraction?
A) carbon-carbon S bonds
B) hydrogen Sbonds
C) hydrophobic Sinteractions
D) ionic Sinteractions
E) van Sder SWaals Sinteractions
8. Chemical Sfoundations
Page: S 12 Difficulty: S 2 Ans: S E
Which Sone Sof Sthe Sfollowing Sis S not Samong Sthe Sfour S most Sabundant Selements Sin Sliving
A) Carbon
B) Hydrogen
C) Nitrogen
D) Oxygen
E) Phosphorus
9. Chemical Sfoundations
Page: S 13 Difficulty: S 1 Ans: S B
The Sfour Scovalent Sbonds Sin Smethane S(CHS4) Sare Sarranged Saround Scarbon Sto Sgive Swhich
Sfollowing Sgeometries?
, Chapter S 1 S S The S Foundations S of
S Biochemistry
10. Chemical Sfoundations
Page: S 14 Difficulty: S 1 Ans: S B
What Sfunctional Sgroups Sare Spresent Son Sthis Smolecule?
A) ether Sand Saldehyde
B) hydroxyl S and S aldehyde
C) hydroxyl Sand Scarboxylic Sacid
D) hydroxyl S and S ester
E) hydroxyl S and S ketone
11. Chemical Sfoundations
Page: S 16 Difficulty: S 1 Ans: S D
The Smacromolecules Sthat Sserve Sin Sthe Sstorage S and Stransmission Sof Sgenetic Sinformation Sa
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic Sacids.
E) proteins.
12. Chemical Sfoundations
Page: S 17 Difficulty: S 1 Ans: S D
Stereoisomers Sthat Sare Snonsuperimposable Smirror Simages Sof Seach Sother S are Sknown Sas:
A) anomers.
B) cis-trans Sisomers.
C) diastereoisomers.
D) enantiomers.
E) geometric S isomers.
13. Chemical Sfoundations
Page: S 20 Difficulty: S 3 Ans: S E
The Senzyme Sfumarase Scatalyzes Sthe S reversible Shydration Sof Sfumaric Sacid Sto Sl-malate,
Snot Scatalyze Sthe Shydration Sof Smaleic Sacid, Sthe Scis Sisomer Sof Sfumaric Sacid. S This Sis Sa
A) biological Sactivity.
B) chiral Sactivity.
C) racemization.
D) stereoisomerization.
E) stereospecificity.
S
Multiple Choice Questions
S S
1. Cellular S foundations
Pages: S3-4 S Difficulty: S1 Ans: SC
In Sa Sbacterial Scell, Sthe SDNA Sis Sin Sthe:
A) cell Senvelope.
B) cell S membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. Cellular S foundations
Page: S 4 Difficulty: S 1 Ans: S E
A Smajor Schange Soccurring Sin Sthe S evolution Sof Seukaryotes Sfrom Sprokaryotes Swas Sthe Sde
A) DNA.
B) photosynthetic S capability.
C) plasma Smembranes.
D) ribosomes.
E) the Snucleus.
3. Cellular S foundations
Page: S 4 Difficulty: S 1 Ans: S B
In Seukaryotes, Sthe Snucleus Sis Senclosed Sby Sa S double Smembrane Scalled Sthe:
A) cell S membrane.
B) nuclear Senvelope. @thebo
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Cellular S foundations
Page: S4 Difficulty: S 1 Ans: SC
The Sdimensions Sof Sliving Scells Sare Slimited, Son Sthe S lower Send Sby Sthe Sminimum Snumb
Sbiomolecules Snecessary Sfor Sfunction, Sand Son Sthe S upper Send Sby Sthe Srate S of Sdiffusio
Ssuch Sas Soxygen.
Except Sfor Shighly Selongated Scells, Sthey Susually Shave Slengths Sand Sdiameters Sin Sthe S ran
A) 0.1 Sµm Sto S10 Sµm.
B) 0.3 Sµm Sto S30 Sµm.
C) 0.3 Sµm Sto S100 S µm.
,2 Chapter S 1 S S The S Foundatio
S Biochemistry
5. Cellular S foundations
Page: S 5 Difficulty: S 2 Ans: S B
The Sbacterium SE. Scoli Srequires Ssimple Sorganic Smolecules Sfor Sgrowth Sand S energy—it Sis
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
6. Cellular S foundations
Page: S 10 Difficulty: S 2 Ans: S B
Which Sone Sof Sthe Sfollowing Shas Sthe Scellular Scomponents Sarranged Sin Sorder Sof S increasin
A) Amino Sacid S< Sprotein S< S mitochondrion S< Sribosome
B) Amino Sacid S< Sprotein S< Sribosome S< Smitochondrion
C) Amino Sacid S< Sribosome S< Sprotein S< Smitochondrion
D) Protein S< Samino Sacid S< S mitochondrion S< Sribosome
E) Protein S< Sribosome S< Smitochondrion S< Samino Sacid
7. Cellular S foundations
Page: S 11 Difficulty: S 2 Ans: S A
The Sthree-dimensional Sstructure Sof Smacromolecules Sis Sformed Sand Smaintained Sprima
Snoncovalent Sinteractions. S Which Sone Sof Sthe Sfollowing Sis S not Sconsidered Sa Snoncovale
Sinteraction?
A) carbon-carbon S bonds
B) hydrogen Sbonds
C) hydrophobic Sinteractions
D) ionic Sinteractions
E) van Sder SWaals Sinteractions
8. Chemical Sfoundations
Page: S 12 Difficulty: S 2 Ans: S E
Which Sone Sof Sthe Sfollowing Sis S not Samong Sthe Sfour S most Sabundant Selements Sin Sliving
A) Carbon
B) Hydrogen
C) Nitrogen
D) Oxygen
E) Phosphorus
9. Chemical Sfoundations
Page: S 13 Difficulty: S 1 Ans: S B
The Sfour Scovalent Sbonds Sin Smethane S(CHS4) Sare Sarranged Saround Scarbon Sto Sgive Swhich
Sfollowing Sgeometries?
, Chapter S 1 S S The S Foundations S of
S Biochemistry
10. Chemical Sfoundations
Page: S 14 Difficulty: S 1 Ans: S B
What Sfunctional Sgroups Sare Spresent Son Sthis Smolecule?
A) ether Sand Saldehyde
B) hydroxyl S and S aldehyde
C) hydroxyl Sand Scarboxylic Sacid
D) hydroxyl S and S ester
E) hydroxyl S and S ketone
11. Chemical Sfoundations
Page: S 16 Difficulty: S 1 Ans: S D
The Smacromolecules Sthat Sserve Sin Sthe Sstorage S and Stransmission Sof Sgenetic Sinformation Sa
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic Sacids.
E) proteins.
12. Chemical Sfoundations
Page: S 17 Difficulty: S 1 Ans: S D
Stereoisomers Sthat Sare Snonsuperimposable Smirror Simages Sof Seach Sother S are Sknown Sas:
A) anomers.
B) cis-trans Sisomers.
C) diastereoisomers.
D) enantiomers.
E) geometric S isomers.
13. Chemical Sfoundations
Page: S 20 Difficulty: S 3 Ans: S E
The Senzyme Sfumarase Scatalyzes Sthe S reversible Shydration Sof Sfumaric Sacid Sto Sl-malate,
Snot Scatalyze Sthe Shydration Sof Smaleic Sacid, Sthe Scis Sisomer Sof Sfumaric Sacid. S This Sis Sa
A) biological Sactivity.
B) chiral Sactivity.
C) racemization.
D) stereoisomerization.
E) stereospecificity.
