Unformatted text preview: 30. Animal mitochondrial DNA is NOT found in which form? 31. 32. 33. 34. A) Circular =
B _; Double-stranded \ ') ‘ Linear
D Supercoiled E) Catenated dimers "6w [WWW 0 N Which of the following is a TRUE statement concerning ehloramphenicol? W
m ltbinds to the small subunit of prokaryotic ribosomes. X
It belongstothe aminoglycoside family ofantibiotics. xx
it may interfere with the peptidyl transferase activity of mitochondn ribosomes. ‘09
It is a strong inhibitor of bacterial DNA polymerase III. It is a strong inhibitor of eukaryotie DNA polymerase‘III. Which of the following statements about the Rec A protein function are TRUE? - ~ det ‘— V-l WW
Forms abmnched ﬁlamentous structure \
can» drives strand displacement M (3 C
Binding site acconunodates dsDNA and ssDNA / Promotes crossover between WDNAs E) None of the above W The TATA box is: A) An area of the promoter where the CAP-eAMP complex binds. 09 An area of the promoter that helps to bind RNA polymerase and provide the .
‘ correct orientation for the‘direction oftmnscription. - (b
C) The part of the» operator where the repressor binds.
D) The unique part of the promoter region recognized by sigma factor.
B) The area of the transcription termination sequence which signals the binding of
the rho factor. ' ' Translocation on the ribosome from the A site to the P site, with a new codon moving on
the A site, requires: ~ ATP .« .
€73 G“ \17
Fmet—tRNA ~ D) RF-l
E) Peptidyl transferase 155 ...
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- Spring '08