Unit 4: Module 7 & 8

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DNA, RNA, and...
Ki Seung Nam
Quiz by Ki Seung Nam, updated more than 1 year ago
Ki Seung Nam
Created by Ki Seung Nam about 4 years ago
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Resource summary

Question 1

Question
Assume that you have a eukaryotic cell with three chromosomes within it. How many 5’ ends would there be?
Answer
  • 6
  • 2
  • 3
  • 5

Question 2

Question
In the ribosome, what pairs with the codon?
Answer
  • IDFK
  • IDFC
  • IDK
  • IDCF

Question 3

Question
Uridine is a nucleotide in DNA.
Answer
  • True
  • False

Question 4

Question
DNA replication in eukaryotes is sped up by multiple origins of replication.
Answer
  • True
  • False

Question 5

Question
RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to end in order.
Answer
  • Initiation, elongation, and termination
  • Elongation, initiation, and termination
  • Termination, elongation, and Initiation

Question 6

Question
In the ribosome, what is the name of the bond that links one amino acid to the next?
Answer
  • A peptide bond
  • ATP
  • A pepto bond
  • A tidepod

Question 7

Question
The DNA polymerase that replicates the parental strand of DNA reads the parental DNA from 5’ to 3” and makes a new DNA strand from 3’ to 5’.
Answer
  • True
  • False

Question 8

Question
During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA.
Answer
  • True
  • False

Question 9

Question
Which enzyme is used first to permit DNA polymerase III to begin replicating the 3’ strand?
Answer
  • Conservative replication
  • Parental strand
  • Primase
  • RNA
  • Mutation rate

Question 10

Question
During mRNA maturation what is the name of the part of the mRNA that is removed?
Answer
  • Introns
  • Ribose
  • Proteolysis
  • Primase

Question 11

Question
During DNA replication in the lagging strand there is production of this component?
Answer
  • Okazaki fragment
  • mRNA
  • tRNA
  • proteins
  • none of the above

Question 12

Question
How many “stop” codons exist?
Answer
  • 2
  • 3
  • 5
  • 6

Question 13

Question
Strands of the backbone of DNA are parallel?
Answer
  • True
  • False

Question 14

Question
RNA is double stranded.
Answer
  • True
  • False

Question 15

Question
Which sugar is present in RNA?
Answer
  • Ribose
  • Methionine
  • Nucleosome
  • Thymine

Question 16

Question
Which nucleotide is different in RNA compared to DNA?
Answer
  • Uridine, it takes the place of thymidine
  • Primase
  • Purines
  • Pyramidines

Question 17

Question
The double helix of DNA is wrapped about 1¾ times around which of these components?
Answer
  • Helicase
  • DNA polymerase III
  • DNA polymerase I
  • Nucleosome
  • DNA ligase

Question 18

Question
Replication of DNA is semi-conservative.
Answer
  • True
  • False

Question 19

Question
Protein synthesis changes from the language of [blank_start]nucleotides[blank_end] to the language of [blank_start]amino acids[blank_end].
Answer
  • nucleotides
  • amino acids
  • Oxygen
  • ATP
  • amino acids
  • nucleotides
  • ATP
  • CO2

Question 20

Question
Which enzyme unwraps the double helix?
Answer
  • Helicase
  • DNA polymerase III
  • DNA polymerase I
  • Nucleosome
  • DNA ligase

Question 21

Question
List one type of post-translational modification.
Answer
  • Proteolysis
  • Purines
  • Amino Acids
  • Primase

Question 22

Question
In eukaryotic cells the start codon for protein synthesis is [blank_start]methionine[blank_end].
Answer
  • methionine
  • elongation
  • peptide
  • thymine

Question 23

Question
The genetic code for the conversion of mRNA codons to proteins has redundancy.
Answer
  • True
  • False

Question 24

Question
List (select) the two basic categories of nitrogenous bases in nucleic acids.
Answer
  • Purines
  • Pyramidines
  • Primase
  • Protein

Question 25

Question
There are two types of protein synthesis in eukaryotic cells. These two types can be distinguished because the polyribosome is either [blank_start]free[blank_end] or [blank_start]membrane-bound[blank_end] .
Answer
  • free
  • non-existent
  • leading
  • membrane-bound
  • dissolved
  • floating

Question 26

Question
In DNA, what does the nucleotide labeled as A pair with?
Answer
  • T (thymine)
  • K (Potassium)
  • O (Oxygen)
  • H (Hydrogen)

Question 27

Question
How many hydrogen bonds are there between an A and its paired nucleotide?
Answer
  • 2
  • 3
  • 5
  • 6

Question 28

Question
For DNA Polymerase III to work which of these components has to act first?
Answer
  • Conservative replication
  • Newly replicated strand
  • Primase
  • RNA
  • Mutation rate

Question 29

Question
Which strand is produced more rapidly?
Answer
  • Okazaki fragment
  • Lagging strand
  • Leading strand
  • 3’
  • 5’

Question 30

Question
In the lagging strand, the DNA is read from the parental DNA’s 3’ to 5’ end.
Answer
  • True
  • False

Question 31

Question
Draw the sugar in DNA and label the carbons as discussed in the lecture. Then circle the carbon that is different in RNA.
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