Tag: structure of dna and rna

Questions Related to structure of dna and rna

Crick, one of the discoverer of DNA double helix was man of

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. Botany

  2. Physics

  3. Chemistry

  4. Zoology

Show answer
Correct Option: B

In double helix model of DNA, how far is each base pair from the next base pair

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. 3.4 nm

  2. 0.34 nm

  3. 2.0 nm

  4. 34 nm

  5. 0.034 nm

Show answer
Correct Option: B

The pitch angle of deflection between two successive base pairs in DNA double helix is

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. $20^0$

  2. $34^0$

  3. $36^0$

  4. $360^0$

Show answer
Correct Option: C

Which of the following is correctly matched

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. UAC-Tyrosine

  2. UCG-Start

  3. UUU-Stop

  4. UGULeucine

Show answer
Correct Option: A

Initiation of DNA strand synthesis is performed by

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. DNA polymerase I

  2. DNA helicase

  3. DNA primase

  4. DNA topoisomerase

Show answer
Correct Option: C

Which of the following pairs are correctly matched

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. Adenine-Thymine

  2. Thymine-Uracil

  3. Uracil-Cytosine

  4. Guanine-Adenine

Show answer
Correct Option: A

A DNA double helix is 340 nm long. Number of nucleotides found in it is

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. 20

  2. 200

  3. 1000

  4. 2000

Show answer
Correct Option: D

In double helix of DNA, there are sugar phosphate backbones with bases projected

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. Outwardly

  2. Outwardly and inwardly

  3. Inwardly

  4. Interpolated

Show answer
Correct Option: C

The enzyme which helps to cut one strand of DNA duplex to release tension of coiling of two strands is

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. DNA ligase

  2. DNA polymerase I

  3. Topoisomerase

  4. Helicase

Show answer
Correct Option: C

TACAAAGGGTTTCAACCC is the sequence of nucleotides in a DNA strand. Predict the sequence of amino acids found in a protein formed from it

structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

  1. Proline, phenylalanine, lysine, methionine, glycine, valine

  2. Methionine, phenylalanine, glycine, valine, lysine, proline

  3. Valine, glycine, proline, lysine, phenylalanine, methionine

  4. Methionine, phenylalanine, proline, lysine, valine, glycine

Show answer
Correct Option: D