BSC 1010 QUIZ & EXAM 4 Questions and
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Chargaff's Rule - correct answer -A=T and C=G
DNA structure was credited to whom - correct answer -Watson, Crick,
Franklin, and Wilkins
DNA stands are ___? - correct answer -Anti-parallels, both strands go in
opposite directions
5' end and 3' end - correct answer -5' end - has a 5' carbon attached to a
phosphate
3' end - has a 3' carbon attached to a hydroxyl group
,Central Dogma - correct answer -theory that states that, in cells,
information only flows from DNA via transcription to RNA
(Messenger/Transfer/Ribosomal) which is translated to proteins
Ribsomes - correct answer -non membrane bounded organelles
responsible for protein synthesis
Proteins - correct answer -Nutrients the body uses to build and
maintain its cells and tissues
Amino acids - correct answer -building blocks of proteins
Retrovirus - correct answer -An RNA virus that reproduces by
transcribing its RNA into DNA and then inserting the DNA into a cellular
chromosome; an important class of cancer-causing viruses.
Bacteriophages - correct answer -A virus that infects bacteria; also
called a phage.
, Reverse Transcriptase - correct answer -An enzyme encoded by some
certain viruses (retroviruses) that uses RNA as a template for DNA
synthesis.
Helicase - correct answer -An enzyme that untwists the double helix of
DNA at the replication forks.
DNA polymerase III - correct answer -synthesizes new DNA only in the 5'
to 3' direction
Okazaki fragments - correct answer -Small fragments of DNA produced
on the lagging strand during DNA replication, joined later by DNA ligase
to form a complete strand.
Ligase - correct answer -An enzyme that connects two fragments
(Okazaki) of DNA to make a single fragment
Answers 100% Pass |Already Graded
A+| Verified and Updated
Chargaff's Rule - correct answer -A=T and C=G
DNA structure was credited to whom - correct answer -Watson, Crick,
Franklin, and Wilkins
DNA stands are ___? - correct answer -Anti-parallels, both strands go in
opposite directions
5' end and 3' end - correct answer -5' end - has a 5' carbon attached to a
phosphate
3' end - has a 3' carbon attached to a hydroxyl group
,Central Dogma - correct answer -theory that states that, in cells,
information only flows from DNA via transcription to RNA
(Messenger/Transfer/Ribosomal) which is translated to proteins
Ribsomes - correct answer -non membrane bounded organelles
responsible for protein synthesis
Proteins - correct answer -Nutrients the body uses to build and
maintain its cells and tissues
Amino acids - correct answer -building blocks of proteins
Retrovirus - correct answer -An RNA virus that reproduces by
transcribing its RNA into DNA and then inserting the DNA into a cellular
chromosome; an important class of cancer-causing viruses.
Bacteriophages - correct answer -A virus that infects bacteria; also
called a phage.
, Reverse Transcriptase - correct answer -An enzyme encoded by some
certain viruses (retroviruses) that uses RNA as a template for DNA
synthesis.
Helicase - correct answer -An enzyme that untwists the double helix of
DNA at the replication forks.
DNA polymerase III - correct answer -synthesizes new DNA only in the 5'
to 3' direction
Okazaki fragments - correct answer -Small fragments of DNA produced
on the lagging strand during DNA replication, joined later by DNA ligase
to form a complete strand.
Ligase - correct answer -An enzyme that connects two fragments
(Okazaki) of DNA to make a single fragment
