PRINCIPLES OF BIOCHEMISTRY- FINAL
EXAM-WELL REVISED ASSESSMENT
EXAM WITH VERIFIED ANSWERS 2026
This term refers to a segment of DNA that is an intermediate in the synthesis of
the lagging strand - correct-answer -okazaki fragment
A nucleic acid is a polymer of - correct-answer -nucleotides held together by 3'-
>5' phosphodiester linkages
True or False: Uracil is a nucleic acid base found in DNA - correct-answer -FALSE
RNA can base pair intramolecularly by forming _______ structures - correct-
answer -stem-loop
Histone proteins are _______ that are usually associated with ______
A. acidic proteins; DNA
B. acidic proteins; RNA
C. basic proteins; DNA
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D. basic proteins; RNA - correct-answer -basic proteins; DNA
Which of the following deoxyoligonucleotides will hybridize with a DNA
containing the sequence (5')AGACTGGTC(3') to form a double strand?
A. (5')CTCATTGAG(3')
B. (5')GAGTCAACT(3')
C. (5')TCTGACCAG(3')
D. (5')GACCAGTCT(3') - correct-answer -D. (5')GACCAGTCT(3')
This term refers to the process of RNA synthesis using a DNA molecule as a
template - correct-answer -transcription
In DNA, the base pair G-C is held together by how many hydrogen bonds? -
correct-answer -3
In DNA, the base pair A-T is held together by how many hydrogen bonds? -
correct-answer -2
This term refers to compounds that contain a nitrogenous base, a pentose, and a
phosphate group - correct-answer -nucleotides
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Individual amino acids are attached to their corresponding tRNAs: - correct-
answer -through an ester linkage to the 3'-OH in the acceptor stem
This term refers to the large RNA-protein complex that processes introns and
exons - correct-answer -the spliceosome
A gene contains two 100 bp (base pair) introns and three 50 bp exons. About how
long is the mature RNA transcribed from this gene?
A. 75 bp
B. 150 bp
C. 200 bp
D. 350 bp - correct-answer -150 bp
This term refers to sequences that are removed from the primary RNA transcript
in eukaryotes - correct-answer -introns
This term refers to the segment that remains after processing and is ultimately
translated into a polypeptide or incorporated into a mature RNA molecule -
correct-answer -exon