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Quiz von Ki Seung Nam, aktualisiert more than 1 year ago
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Erstellt von Ki Seung Nam
vor mehr als 4 Jahre
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Frage 1
Frage
Assume that you have a eukaryotic cell with three chromosomes within it. How many 5’ ends would there be?
Antworten
-
6
-
2
-
3
-
5
Frage 2
Frage
In the ribosome, what pairs with the codon?
Antworten
-
IDFK
-
IDFC
-
IDK
-
IDCF
Frage 3
Frage
Uridine is a nucleotide in DNA.
Antworten
- True
- False
Frage 4
Frage
DNA replication in eukaryotes is sped up by multiple origins of replication.
Antworten
- True
- False
Frage 5
Frage
RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to end in order.
Antworten
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Initiation, elongation, and termination
-
Elongation, initiation, and termination
-
Termination, elongation, and Initiation
Frage 6
Frage
In the ribosome, what is the name of the bond that links one amino acid to the next?
Antworten
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A peptide bond
-
ATP
-
A pepto bond
-
A tidepod
Frage 7
Frage
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’.
Antworten
- True
- False
Frage 8
Frage
During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA.
Antworten
- True
- False
Frage 9
Frage
Which enzyme is used first to permit DNA polymerase III to begin replicating the 3’ strand?
Antworten
-
Conservative replication
-
Parental strand
-
Primase
-
RNA
-
Mutation rate
Frage 10
Frage
During mRNA maturation what is the name of the part of the mRNA that is removed?
Antworten
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Introns
-
Ribose
-
Proteolysis
-
Primase
Frage 11
Frage
During DNA replication in the lagging strand there is production of this component?
Antworten
-
Okazaki fragment
-
mRNA
-
tRNA
-
proteins
-
none of the above
Frage 12
Frage
How many “stop” codons exist?
Antworten
-
2
-
3
-
5
-
6
Frage 13
Frage
Strands of the backbone of DNA are parallel?
Antworten
- True
- False
Frage 14
Frage
RNA is double stranded.
Antworten
- True
- False
Frage 15
Frage
Which sugar is present in RNA?
Antworten
-
Ribose
-
Methionine
-
Nucleosome
-
Thymine
Frage 16
Frage
Which nucleotide is different in RNA compared to DNA?
Antworten
-
Uridine, it takes the place of thymidine
-
Primase
-
Purines
-
Pyramidines
Frage 17
Frage
The double helix of DNA is wrapped about 1¾ times around which of these components?
Antworten
-
Helicase
-
DNA polymerase III
-
DNA polymerase I
-
Nucleosome
-
DNA ligase
Frage 18
Frage
Replication of DNA is semi-conservative.
Antworten
- True
- False
Frage 19
Frage
Protein synthesis changes from the language of [blank_start]nucleotides[blank_end] to the language of [blank_start]amino acids[blank_end].
Antworten
-
nucleotides
-
amino acids
-
Oxygen
-
ATP
-
amino acids
-
nucleotides
-
ATP
-
CO2
Frage 20
Frage
Which enzyme unwraps the double helix?
Antworten
-
Helicase
-
DNA polymerase III
-
DNA polymerase I
-
Nucleosome
-
DNA ligase
Frage 21
Frage
List one type of post-translational modification.
Antworten
-
Proteolysis
-
Purines
-
Amino Acids
-
Primase
Frage 22
Frage
In eukaryotic cells the start codon for protein synthesis is [blank_start]methionine[blank_end].
Antworten
-
methionine
-
elongation
-
peptide
-
thymine
Frage 23
Frage
The genetic code for the conversion of mRNA codons to proteins has redundancy.
Antworten
- True
- False
Frage 24
Frage
List (select) the two basic categories of nitrogenous bases in nucleic acids.
Antworten
-
Purines
-
Pyramidines
-
Primase
-
Protein
Frage 25
Frage
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] .
Antworten
-
free
-
non-existent
-
leading
-
membrane-bound
-
dissolved
-
floating
Frage 26
Frage
In DNA, what does the nucleotide labeled as A pair with?
Antworten
-
T (thymine)
-
K (Potassium)
-
O (Oxygen)
-
H (Hydrogen)
Frage 27
Frage
How many hydrogen bonds are there between an A and its paired nucleotide?
Antworten
-
2
-
3
-
5
-
6
Frage 28
Frage
For DNA Polymerase III to work which of these components has to act first?
Antworten
-
Conservative replication
-
Newly replicated strand
-
Primase
-
RNA
-
Mutation rate
Frage 29
Frage
Which strand is produced more rapidly?
Antworten
-
Okazaki fragment
-
Lagging strand
-
Leading strand
-
3’
-
5’
Frage 30
Frage
In the lagging strand, the DNA is read from the parental DNA’s 3’ to 5’ end.
Antworten
- True
- False
Frage 31
Frage
Draw the sugar in DNA and label the carbons as discussed in the lecture. Then circle the carbon that is different in RNA.
Antworten
-
Image:A (binary/octet-stream)
-
Image:B (binary/octet-stream)
-
Image:C (binary/octet-stream)
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Image:D (binary/octet-stream)
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