The enzymatic activity responsible for initiating the...

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Practise Midterm II with answers 2018.pdf

1 .   The enzymatic activity responsible for initiating the synthesis of the Okazaki fragments is :
a. 
b. ligase .
c. DNA polymerase .
d. 3 ' -> 5 ' exonuclease .
e. 5 ' -> 3 ' exonuclease .
Answer:  a.   primase .
2 .   Prokaryotic RNA Polymerase
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3 .   The aminoacyl-t RNA synthetases all :
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4 .   Which of the following is a palindromic sequence ?
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5 .   Which of the following processes allows apolipoprotein B to be synthesized in the liver as a 100 - kDa protein and a 48 - k Da protein in the intestine ?
a. RNA transcription .
b. RNA splicing .
c. DNA replication .
d. DNA rearrangement .
e. Ubiquitination .
f. Phosphorylation .
Answer:  a.   RNA transcription .
6 .   In eukaryotic translation the 40S complex binds the 60S subunit to form the _______ initiation complex .
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7 .   Protein synthesis requires _____ high energy phosphate bonds per peptide bond .
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8 .   The initiator tRNA is placed within the active 30S complex ( soon to be 70S ) of prokaryotes at which of the three ribosomal “ sites ” during protein synthesis ?
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9 .   Double - stranded regions of RNA :
a. do not occur .
b. can be observed in the laboratory , but probably have no biological relevance .
c. can form between two self - complementary regions of the same single strand of RNA .
d. can only form between two self - complementary regions on separate strands of RNA .
e. have the two strands arranged in parallel ( unlike those of DNA , which are antiparallel ) .
10 .   To produce a large amount of a human protein in E.coli cells , one would use a recombinant clone derived from a
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Fundamentals of Organic Chemistry
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Chapter 15 / Exercise 15.5
Fundamentals of Organic Chemistry
McMurry
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Midterm II problems 1. The enzymatic activity responsible for initiating the synthesis of the Okazaki fragments is: a. primase. b. ligase. c. DNA polymerase. d. 3' -> 5' exonuclease. e. 5' -> 3' exonuclease.
2. Prokaryotic RNA Polymerase
3. The aminoacyl-tRNA synthetases all:
4. Which of the following is a palindromic sequence?
1
We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Fundamentals of Organic Chemistry
The document you are viewing contains questions related to this textbook.
Chapter 15 / Exercise 15.5
Fundamentals of Organic Chemistry
McMurry
Expert Verified

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