To which of the following does guanine form hydrogen bonds in DNA?
A) Adenine
B) Thymine
C) Cytosine
D) Guanine
Which of the following RNA molecules converts information stored in nucleic acid to protein?
A) tRNA
B) mRNA
C) rRNA
D) snRNA
A nucleoside is formed of which of the following units?
A) Sugar and phosphate
B) Nitrogen base and sugar
C) Nitrogen base, sugar, and phosphate
D) Nitrogen base and phosphate
Name the secondary structure of tRNA.
A) Cloverleaf
B) L-shaped
C) Duplex
D) Triple Helix
Name the RNA molecule which takes part in the formation of the ribosome.
A) tRNA
B) mRNA
C) rRNA
D) gRNA
How many stop codons are there in the genetic code?
A) 1
B) 2
C) 3
D) 4
Genetic mutation occurs in:
A) Protein
B) RNA
C) DNA
D) Nucleus
Z-DNA has a:
A) Double stranded nature
B) Zig-Zag appearance
C) Uracil base
D) Single stranded nature
DNA is present in:
A) Nucleus
B) Nucleus, mitochondria, and ER
C) Nucleus, mitochondria, and chloroplast
D) Nucleus, mitochondria, and RER
The length of one turn of DNA is:
A) 3.4 Å
B) 34 Å
C) 20 Å
D) 3.04 Å

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