BIOLl271l l BIOL271l Modulel 1:l Latestl

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

BIOLl271l /l BIOL271l Modulel 1:l (Latestl

2026/l 2027l Update)l 100%l Verifiedl Questionsl &l Answersl |l Gradel A 1 / 3

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.

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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'

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