20818759
Descrição
Quiz por Ki Seung Nam, atualizado more than 1 year ago
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Criado por Ki Seung Nam
mais de 4 anos atrás
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Questão 1
Questão
Assume that you have a eukaryotic cell with three chromosomes within it. How many 5’ ends would there be?
Responda
-
6
-
2
-
3
-
5
Questão 2
Questão
In the ribosome, what pairs with the codon?
Responda
-
IDFK
-
IDFC
-
IDK
-
IDCF
Questão 3
Questão
Uridine is a nucleotide in DNA.
Responda
- True
- False
Questão 4
Questão
DNA replication in eukaryotes is sped up by multiple origins of replication.
Responda
- True
- False
Questão 5
Questão
RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to end in order.
Responda
-
Initiation, elongation, and termination
-
Elongation, initiation, and termination
-
Termination, elongation, and Initiation
Questão 6
Questão
In the ribosome, what is the name of the bond that links one amino acid to the next?
Responda
-
A peptide bond
-
ATP
-
A pepto bond
-
A tidepod
Questão 7
Questão
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’.
Responda
- True
- False
Questão 8
Questão
During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA.
Responda
- True
- False
Questão 9
Questão
Which enzyme is used first to permit DNA polymerase III to begin replicating the 3’ strand?
Responda
-
Conservative replication
-
Parental strand
-
Primase
-
RNA
-
Mutation rate
Questão 10
Questão
During mRNA maturation what is the name of the part of the mRNA that is removed?
Responda
-
Introns
-
Ribose
-
Proteolysis
-
Primase
Questão 11
Questão
During DNA replication in the lagging strand there is production of this component?
Responda
-
Okazaki fragment
-
mRNA
-
tRNA
-
proteins
-
none of the above
Questão 12
Questão
How many “stop” codons exist?
Responda
-
2
-
3
-
5
-
6
Questão 13
Questão
Strands of the backbone of DNA are parallel?
Responda
- True
- False
Questão 14
Questão
RNA is double stranded.
Responda
- True
- False
Questão 15
Questão
Which sugar is present in RNA?
Responda
-
Ribose
-
Methionine
-
Nucleosome
-
Thymine
Questão 16
Questão
Which nucleotide is different in RNA compared to DNA?
Responda
-
Uridine, it takes the place of thymidine
-
Primase
-
Purines
-
Pyramidines
Questão 17
Questão
The double helix of DNA is wrapped about 1¾ times around which of these components?
Responda
-
Helicase
-
DNA polymerase III
-
DNA polymerase I
-
Nucleosome
-
DNA ligase
Questão 18
Questão
Replication of DNA is semi-conservative.
Responda
- True
- False
Questão 19
Questão
Protein synthesis changes from the language of [blank_start]nucleotides[blank_end] to the language of [blank_start]amino acids[blank_end].
Responda
-
nucleotides
-
amino acids
-
Oxygen
-
ATP
-
amino acids
-
nucleotides
-
ATP
-
CO2
Questão 20
Questão
Which enzyme unwraps the double helix?
Responda
-
Helicase
-
DNA polymerase III
-
DNA polymerase I
-
Nucleosome
-
DNA ligase
Questão 21
Questão
List one type of post-translational modification.
Responda
-
Proteolysis
-
Purines
-
Amino Acids
-
Primase
Questão 22
Questão
In eukaryotic cells the start codon for protein synthesis is [blank_start]methionine[blank_end].
Responda
-
methionine
-
elongation
-
peptide
-
thymine
Questão 23
Questão
The genetic code for the conversion of mRNA codons to proteins has redundancy.
Responda
- True
- False
Questão 24
Questão
List (select) the two basic categories of nitrogenous bases in nucleic acids.
Responda
-
Purines
-
Pyramidines
-
Primase
-
Protein
Questão 25
Questão
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] .
Responda
-
free
-
non-existent
-
leading
-
membrane-bound
-
dissolved
-
floating
Questão 26
Questão
In DNA, what does the nucleotide labeled as A pair with?
Responda
-
T (thymine)
-
K (Potassium)
-
O (Oxygen)
-
H (Hydrogen)
Questão 27
Questão
How many hydrogen bonds are there between an A and its paired nucleotide?
Responda
-
2
-
3
-
5
-
6
Questão 28
Questão
For DNA Polymerase III to work which of these components has to act first?
Responda
-
Conservative replication
-
Newly replicated strand
-
Primase
-
RNA
-
Mutation rate
Questão 29
Questão
Which strand is produced more rapidly?
Responda
-
Okazaki fragment
-
Lagging strand
-
Leading strand
-
3’
-
5’
Questão 30
Questão
In the lagging strand, the DNA is read from the parental DNA’s 3’ to 5’ end.
Responda
- True
- False
Questão 31
Questão
Draw the sugar in DNA and label the carbons as discussed in the lecture. Then circle the carbon that is different in RNA.
Responda
-
Image:A (binary/octet-stream)
-
Image:B (binary/octet-stream)
-
Image:C (binary/octet-stream)
-
Image:D (binary/octet-stream)
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