問題一覧
1
The repeating units in both DNA and RNA is A. Nucleic acid C. Nucleotides B. Nucleoside D. Nitrogenous base
Nucleotides
2
The sugar that is in the backbone of DNA is A. Ribose B. Deoxyribose C. Glucose D. Sucrose
Deoxyribose
3
The bond that joins the nitrogenous base to pentose sugar is A. Glycosidic bond C. Hydrogen bond B. Phosphate ester bond D. Phosphodiester bond
Glycosidic bond
4
Phosphate ester bond is formed in between _______
Phosphate group and C-5'
5
Which of the following is not true about the differences between DNA and RNA?
Uracil is in DNA while thymine is in RNA
6
Where does translation occur?
In the ribosomes
7
What is produced during transcription?
m-RNA
8
What happens during the process of translation?
t-RNA uses information from m-RNA to produce amino acid chains
9
DNA is copied during a process called:
Replication
10
Which of the following represents a nucleotide of RNA? I. Phosphate-Sugar-Adenine II. Phosphate-Sugar-Uracil III. Phosphate-Sugar-Thymine
I & II
11
Which does not happen during mutation?
t-RNA produced different codons
12
What type of mutation occurs if UAU mutates to UAA?
Substitution
13
Viruses are synthesized in the host cell from the viral RNA produced by the viral DNA.
True
14
In reverse transcription viral DNA transcribe the genetic information to viral RNA.
False
15
Which is not a protease inhibitor?
AZT
16
What cell is infected by HIV-1 virus?
White Blood Cells
17
Who discover the nucleic acids?
Friedrich Miescher
18
Which complementary bases in DNA are joined by three hydrogen bonds?
Cytosine and Guanine
19
Which prevents the reverse transcription of viral DNA?
AZT
20
Nucleotide bases pair in DNA through _____
Hydrogen Bond