BIOLl271l /l BIOL271l Modulel 1:l (Latestl
2026/l 2027l Update)l 100%l Verifiedl
Questionsl &l Answersl |l Gradel A
Q:l Definel anl essentiall aminol acid.
Answer:
Anl essentiall aminol acidl cannotl bel producedl byl thel humanl bodyl andl asl
suchl mustl bel takenl inl froml thel environmentl throughl alternativel sourcesl
(i.e.l food).
Q:l T/F:l thel geneticl materiall withinl al prokaryoticl celll isl containedl withinl
al membrane-enclosedl region.
Answer:
False
Onlyl eukaryoticl cellsl containl itsl geneticl materiall withinl al nucleus.
Q:l T/F:l prokaryoticl cellsl canl bel subdividedl intol bacterial andl archaea.
Answer:
True
,Q:l Howl manyl aminol acidsl arel classifiedl asl beingl essentiall aminol acids?
Answer:
9
Q:l True/False.l Al virusl isl consideredl al microorganism.
Answer:
False
Q:l Truel orl False:l Thel smallestl biologicall unitl ofl lifel isl thel molecule.
Answer:
False
Q:l Atl al generalizedl level,l alll cellsl arel comprisedl ofl what?
Answer:
Macromoleculesl
Al studentl mayl alsol Answer:l Proteins,l Lipids,l Nucleicl acidsl andl
Polysaccharidesl butl theyl mustl answerl withl alll fourl tol bel fullyl correct.
, Q:l Proteinsl arel formedl froml variousl combinationsl ofl _______l ofl whichl
therel arel ______l knownl forms.
Answer:
1.l Aminol acidsl
2.l 20
Q:l Howl manyl aminol acidsl arel classifiedl asl beingl essentiall aminol acids?
Answer:
9
Q:l Thel plasmal membranel (selectl alll thatl arel true):l
A.l Restrictsl movementl ofl materialsl inl andl outl ofl thel celll
B.l Isl oftenl al triplel layerl comprisedl ofl lipidsl
C.l Preventsl essentiall nutrientsl froml escaping
D.l Containsl hydrophobicl tailsl pointingl outward
Answer:
A;C
Q:l Completel thel followingl DNAl strand,l andl indicatel howl manyl bondsl
arel formedl forl eachl complementaryl pair:l
3'l GGTCATCGl 5'l
5'l CCl _____AGCl 3'
2026/l 2027l Update)l 100%l Verifiedl
Questionsl &l Answersl |l Gradel A
Q:l Definel anl essentiall aminol acid.
Answer:
Anl essentiall aminol acidl cannotl bel producedl byl thel humanl bodyl andl asl
suchl mustl bel takenl inl froml thel environmentl throughl alternativel sourcesl
(i.e.l food).
Q:l T/F:l thel geneticl materiall withinl al prokaryoticl celll isl containedl withinl
al membrane-enclosedl region.
Answer:
False
Onlyl eukaryoticl cellsl containl itsl geneticl materiall withinl al nucleus.
Q:l T/F:l prokaryoticl cellsl canl bel subdividedl intol bacterial andl archaea.
Answer:
True
,Q:l Howl manyl aminol acidsl arel classifiedl asl beingl essentiall aminol acids?
Answer:
9
Q:l True/False.l Al virusl isl consideredl al microorganism.
Answer:
False
Q:l Truel orl False:l Thel smallestl biologicall unitl ofl lifel isl thel molecule.
Answer:
False
Q:l Atl al generalizedl level,l alll cellsl arel comprisedl ofl what?
Answer:
Macromoleculesl
Al studentl mayl alsol Answer:l Proteins,l Lipids,l Nucleicl acidsl andl
Polysaccharidesl butl theyl mustl answerl withl alll fourl tol bel fullyl correct.
, Q:l Proteinsl arel formedl froml variousl combinationsl ofl _______l ofl whichl
therel arel ______l knownl forms.
Answer:
1.l Aminol acidsl
2.l 20
Q:l Howl manyl aminol acidsl arel classifiedl asl beingl essentiall aminol acids?
Answer:
9
Q:l Thel plasmal membranel (selectl alll thatl arel true):l
A.l Restrictsl movementl ofl materialsl inl andl outl ofl thel celll
B.l Isl oftenl al triplel layerl comprisedl ofl lipidsl
C.l Preventsl essentiall nutrientsl froml escaping
D.l Containsl hydrophobicl tailsl pointingl outward
Answer:
A;C
Q:l Completel thel followingl DNAl strand,l andl indicatel howl manyl bondsl
arel formedl forl eachl complementaryl pair:l
3'l GGTCATCGl 5'l
5'l CCl _____AGCl 3'
