BIOLl 102l BIOL102l Modulel 1:l Latestl

Q:l ____l #l ofl basesl encodel forl ___l #l ofl differentl aminol acids

Answer:

4;l 20

Q:l _____l isl readl inl al triplel codonl readingl frame

Answer:

mRNA

Q:l Thel TATAl boxl isl necessaryl forl initiationl ofl transcriptionl andl isl locatedl onl thel DNAl strandl (t/f)

Answer:

True

Q:l Whatl enzymel isl responsiblel forl convertingl al DNAl strandl intol RNA?

Answer:

RNAl polymerase

BIOLl 102/l BIOL102l Modulel 1:l (Latestl

2026/l 2027l Update)l Essentiall Biologyl IIl W/Labl |l 100%l Verifiedl Questionsl &l Answersl |l Gradel A

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Q:l Pre-mRNAl mayl undergol whatl modifications?

Answer:

5'l cap,l poly-Al tail,l splicing

Q:l Whatl isl thel rolel ofl tRNAl inl thel cell?

Answer:

Transfereel aminol acidsl froml cytosoll tol thel growingl aminol acidl chain.

Q:l Whichl RNAl moleculesl arel responsiblel forl transferringl aminol acidsl duringl translation?

Answer:

tRNA

Q:l Whyl isl thel aminol acidl methioninel (met)l addedl atl initiationl ofl translation?

Answer:

Becausel thel startl codonl isl AUGl (thel tripletl codel forl methionine),l whichl signalsl thel startl ofl thel codingl region

Q:l Aminol acidsl arel addedl tol the:

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Answer:

C-terminusl end

Q:l Afterl al stopl codonl isl encountered,l thel hydrolysisl ofl whatl moleculel aidsl inl releasingl thel newl polypeptidel chain?

Answer:

Water

Q:l post-translationall modificationsl arel necessaryl tol ensurel ___

Answer:

Uniquel folding/appropriatel structurel shape

Q:l DNAl replication

Answer:

Parentl DNAl moleculel isl changedl froml itsl double-helixl formationl intol twol separatel strandsl thatl servel asl templatesl tol synthesizel twol newl complementaryl strandsl ofl DNA.

Q:l Originl ofl replicationl (DNAl replication)

Answer:

Shortl nucleotidel sequencel thatl encodesl forl al startl signall tol initiatel thel processl ofl DNAl replication.l Multiplel originsl ofl replicationl alongl thel helix.

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