Biochemistry Nucleic Acid Structure Online Exam Quiz
Biochemistry Nucleic Acid Structure GK Quiz. Question and Answers related to Biochemistry Nucleic Acid Structure. MCQ (Multiple Choice Questions with answers about Biochemistry Nucleic Acid Structure
Number of hydrogen bonds between adenine and thymine?
Options
A : 1
B : 2
C : 3
D : 4
Number of hydrogen bonds between guanine and cytosine?
Options
A : 1
B : 2
C : 3
D : 4
Which ratio is constant for DNA?
Options
A : A + G / T + C
B : A + T / G + C
C : A + C / U + G
D : A + U / G + C
Which of the following leads to disruption of nucleosomal structure?
Options
A : Acetylation
B : Carboxylation
C : Phosphorylation
D : Methylation
Which of the following statements is not true about RNA?
Options
A : Does not have a double stranded structure
B : Thymine is present
C : Does not obey Chargaff’s rule
D : The sugar contained in RNA is a ribose
Which of the following is true about Z-DNA helix?
Options
A : It has alternating GC sequences
B : It is a permanent conformation of DNA
C : It tends to be found at the 3’ end of the genes
D : It has fewer base pairs per turn than B-DNA
Which one of the following nucleic acids has a left handed helix?
Options
A : M-RNA
B : T-RNA
C : A-DNA
D : Z-DNA
According to Chargaff’s rule, in a DNA molecule ____________
Options
A : The amount of adenine and thymine is equal to the amount of guanine and cytosine
B : The amount of adenine and guanine is equal to the amount of thymine and cytosine
C : The amount of adenine and uracil is equal to the amount of guanine and cytosine
D : The amount of adenine and guanine is equal to the amount of uracil and cytosine
Which of the following statements is true?
Options
A : The template strand matches the sequence of the RNA transcript
B : The two strands of DNA run parallel to each other
C : G-C bonds are much more resistant to denaturation than A-T rich regions
D : The common form of DNA is left handed
Arrangement of nucleotides in DNA can be seen by ____________
Options
A : Ultracentrifuge
B : X-Ray crystallography
C : Light microscope
D : Electron microscope
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