HCC LAB EXAM TEST 1 QUESTIONS
WITH COMPLETE SOLUTIONS
In ccthe ccDNA ccmolecule, ccadenine ccpairs ccwith ccwhat ccnucleotide ccbase? cc- ccAnswer
ccThymine
In ccthe ccDNA ccmolecule, ccguanine ccpairs ccwith ccwhat ccnucleotide ccbase? cc- ccAnswer
ccCytosine
What ccare ccthe ccthree cccomponents ccof cca ccnucleotide? cc- ccAnswer cc5 ccCarbon
ccSugar, ccPhosphate, ccNitrogen ccBase
DNA ccis cca cc_________ ccstranded ccmolecule. cc- ccAnswer ccDouble
DNA ccis ccfound cc- ccAnswer ccin ccthe cccell ccnucleus.
A ccDNA ccmolecule ccis cc- ccAnswer cchelical, cclike cca ccspiral ccstaircase
DNA ccreplication ccoccurs cc- ccAnswer ccin ccthe cccell ccnucleus
After cca ccDNA ccmolecule cchas ccreplicated, ccyou ccwould ccexpect ccthat cc- ccAnswer
ccboth ccDNA ccmolecules ccare cccomposed ccof ccone ccstrand ccof ccthe ccoriginal ccDNA
ccand ccone ccstrand ccof ccnew ccDNA
(True/False) ccThe ccbonds ccbetween ccthe ccnitrogen ccbases ccthat cchold ccthe cctwo
ccstrands ccof ccthe ccDNA ccmolecule cctogether ccare cccovalent ccbonds ccand ccare
ccdifficult ccto ccbreak. cc- ccAnswer ccFalse
In ccthe ccslide ccprogram, ccyou cclearned ccthat ccnon ccdisease-causing ccpneumonia
ccbacteria cccan ccbe cctransformed ccto cca cccoated ccpneumonia-causing ccform. ccThe
ccsubstance ccthat cccauses ccthis cctransformation ccis cc- ccAnswer ccDNA
DNA ccsynthesis ccoccurs ccending ccwith ccthe ccdoubling ccof ccthe ccchromosomes
ccChromosomes ccare ccnot ccvisible. ccA ccnucleolus ccis ccdistinct. cc- ccAnswer
ccInterphase
Chromosomes ccbegin ccto ccreturn ccto cca ccdecondensed/uncoiled ccstate ccand ccthe
cccell ccplate ccbegins ccto ccform. ccAt ccthe ccend ccof ccthis ccstage, ccthe ccnuclei ccbegin
ccreforming. cc- ccAnswer ccTelophase
, Centromers ccalign ccalong ccthe ccequator ccof ccthe cccell ccbringing ccall ccthe
ccchromosomes ccto ccthe cccenter ccof ccthe cccell. cc- ccAnswer ccMetaphase
The ccnucleoli ccdisappear ccand ccthe ccnuclear ccmembrane ccbreaks ccdown.
ccChromosomes ccare ccnow ccclearly ccvisible. cc- ccAnswer ccProphase
The ccchromatids cc(copies)of ccthe ccchromosomes ccbegin ccto ccseparate ccand ccmove
cctoward ccopposite ccpoles. cc- ccAnswer ccAnaphase
Two ccidentical cccells ccthat ccare ccsmaller ccin ccsize ccthan ccthe ccoriginal cccell. cc-
ccAnswer ccDaughter cccells
In ccwhat ccsequence ccdo ccthe ccstages ccof ccthe cccell cccycle ccoccur? cc- ccAnswer
ccInterphase
Prophase cc
Metaphase
Anaphase
Telophase
Daughter ccCells
The ccdiploid cc(2n) ccnumber ccof ccchromosomes ccin ccthe cconion ccis cc- ccAnswer cc16
(True/False) ccThe ccpurpose ccof ccCytokinesis ccis ccto ccdivide ccthe cccontents ccof ccthe
ccnucleus. cc- ccAnswer ccFalse
Name cca cccell ccstructure ccwhich cccan ccbe ccseen ccin cca cchuman cccheek cccell ccwhen
ccstained ccwith ccmethylene ccblue. cc- ccAnswer ccNucleus
Name cctwo cccell ccstructures ccthat ccare ccfound ccin ccmost ccplant cccells, ccbut ccnot ccin
ccanimal cccells, ccwhich ccare ccvisible ccwith ccyour ccmicroscope. cc- ccAnswer
ccChloroplasts
Cell ccWall
What ccstructure ccin cca ccplant cccell ccenables ccthe ccplant ccto ccmake ccits ccown ccfood?
cc- ccAnswer ccChloroplasts
(True ccor ccFalse) ccThere ccare ccmany ccstructures ccof ccboth ccplant ccand ccanimal cccells
ccwhich ccare cctoo ccsmall ccto ccbe cceasily ccseen ccwith cca cclight ccmicroscope. cc-
ccAnswer ccTrue
Which ccof ccthe ccfollowing ccstatements ccis cctrue? cc- ccAnswer ccD. ccPlant ccand ccanimal
cccells ccare cceukaryotic ccand ccbacteria ccare ccprokaryotic
How cclarge ccare ccbacteria? cc- ccAnswer ccBacteria ccare ccsmaller ccthan cceven ccthe
ccnucleus ccof cca cchuman cccheek cccell
WITH COMPLETE SOLUTIONS
In ccthe ccDNA ccmolecule, ccadenine ccpairs ccwith ccwhat ccnucleotide ccbase? cc- ccAnswer
ccThymine
In ccthe ccDNA ccmolecule, ccguanine ccpairs ccwith ccwhat ccnucleotide ccbase? cc- ccAnswer
ccCytosine
What ccare ccthe ccthree cccomponents ccof cca ccnucleotide? cc- ccAnswer cc5 ccCarbon
ccSugar, ccPhosphate, ccNitrogen ccBase
DNA ccis cca cc_________ ccstranded ccmolecule. cc- ccAnswer ccDouble
DNA ccis ccfound cc- ccAnswer ccin ccthe cccell ccnucleus.
A ccDNA ccmolecule ccis cc- ccAnswer cchelical, cclike cca ccspiral ccstaircase
DNA ccreplication ccoccurs cc- ccAnswer ccin ccthe cccell ccnucleus
After cca ccDNA ccmolecule cchas ccreplicated, ccyou ccwould ccexpect ccthat cc- ccAnswer
ccboth ccDNA ccmolecules ccare cccomposed ccof ccone ccstrand ccof ccthe ccoriginal ccDNA
ccand ccone ccstrand ccof ccnew ccDNA
(True/False) ccThe ccbonds ccbetween ccthe ccnitrogen ccbases ccthat cchold ccthe cctwo
ccstrands ccof ccthe ccDNA ccmolecule cctogether ccare cccovalent ccbonds ccand ccare
ccdifficult ccto ccbreak. cc- ccAnswer ccFalse
In ccthe ccslide ccprogram, ccyou cclearned ccthat ccnon ccdisease-causing ccpneumonia
ccbacteria cccan ccbe cctransformed ccto cca cccoated ccpneumonia-causing ccform. ccThe
ccsubstance ccthat cccauses ccthis cctransformation ccis cc- ccAnswer ccDNA
DNA ccsynthesis ccoccurs ccending ccwith ccthe ccdoubling ccof ccthe ccchromosomes
ccChromosomes ccare ccnot ccvisible. ccA ccnucleolus ccis ccdistinct. cc- ccAnswer
ccInterphase
Chromosomes ccbegin ccto ccreturn ccto cca ccdecondensed/uncoiled ccstate ccand ccthe
cccell ccplate ccbegins ccto ccform. ccAt ccthe ccend ccof ccthis ccstage, ccthe ccnuclei ccbegin
ccreforming. cc- ccAnswer ccTelophase
, Centromers ccalign ccalong ccthe ccequator ccof ccthe cccell ccbringing ccall ccthe
ccchromosomes ccto ccthe cccenter ccof ccthe cccell. cc- ccAnswer ccMetaphase
The ccnucleoli ccdisappear ccand ccthe ccnuclear ccmembrane ccbreaks ccdown.
ccChromosomes ccare ccnow ccclearly ccvisible. cc- ccAnswer ccProphase
The ccchromatids cc(copies)of ccthe ccchromosomes ccbegin ccto ccseparate ccand ccmove
cctoward ccopposite ccpoles. cc- ccAnswer ccAnaphase
Two ccidentical cccells ccthat ccare ccsmaller ccin ccsize ccthan ccthe ccoriginal cccell. cc-
ccAnswer ccDaughter cccells
In ccwhat ccsequence ccdo ccthe ccstages ccof ccthe cccell cccycle ccoccur? cc- ccAnswer
ccInterphase
Prophase cc
Metaphase
Anaphase
Telophase
Daughter ccCells
The ccdiploid cc(2n) ccnumber ccof ccchromosomes ccin ccthe cconion ccis cc- ccAnswer cc16
(True/False) ccThe ccpurpose ccof ccCytokinesis ccis ccto ccdivide ccthe cccontents ccof ccthe
ccnucleus. cc- ccAnswer ccFalse
Name cca cccell ccstructure ccwhich cccan ccbe ccseen ccin cca cchuman cccheek cccell ccwhen
ccstained ccwith ccmethylene ccblue. cc- ccAnswer ccNucleus
Name cctwo cccell ccstructures ccthat ccare ccfound ccin ccmost ccplant cccells, ccbut ccnot ccin
ccanimal cccells, ccwhich ccare ccvisible ccwith ccyour ccmicroscope. cc- ccAnswer
ccChloroplasts
Cell ccWall
What ccstructure ccin cca ccplant cccell ccenables ccthe ccplant ccto ccmake ccits ccown ccfood?
cc- ccAnswer ccChloroplasts
(True ccor ccFalse) ccThere ccare ccmany ccstructures ccof ccboth ccplant ccand ccanimal cccells
ccwhich ccare cctoo ccsmall ccto ccbe cceasily ccseen ccwith cca cclight ccmicroscope. cc-
ccAnswer ccTrue
Which ccof ccthe ccfollowing ccstatements ccis cctrue? cc- ccAnswer ccD. ccPlant ccand ccanimal
cccells ccare cceukaryotic ccand ccbacteria ccare ccprokaryotic
How cclarge ccare ccbacteria? cc- ccAnswer ccBacteria ccare ccsmaller ccthan cceven ccthe
ccnucleus ccof cca cchuman cccheek cccell
