What type of bond links nucleotides together in a nucleic acid strand?
Peptide bond
Glycosidic bond
Hydrogen bond
Phosphodiester bond
Related Questions
Certain antibiotics inhibit bacterial protein synthesis by targeting the 30S ribosomal subunit. Which of the following processes related to translation would be MOST directly affected by such antibiotics?
Translocation of the ribosome along the mRNA
Formation of peptide bonds
Binding of mRNA to the ribosome
Release of the completed polypeptide chain
Answer briefly
I. Which colour glycogen gives on its reaction with iodine solution?
II. What is satellite DNA?
III. Name three components of a nucleotide molecule
Correct option will all answers is
Reddish-brown; Highly repetitive DNA; Nitrogenous base, pentose sugar, phosphate group
Blue-black; Non-repetitive DNA; Amino acid, hexose sugar, phosphate group
Yellow; Moderately repetitive DNA; Nitrogenous base, triose sugar, sulphate group
Violet; Unique DNA; Amino acid, pentose sugar, phosphate group
The angle between two consecutive base pairs of a DNA molecule is
Answer briefly
I. Which colour glycogen gives on its reaction with iodine solution?
II. What is satellite DNA?
III. Name three components of a nucleotide molecule
Correct option will all answers is
I. Reddish-brown
II. Highly repetitive DNA sequences
III. Nitrogenous base, pentose sugar, and phosphate group
I. Blue-black
II. Non-repetitive DNA sequences
III. Nitrogenous base, hexose sugar, and phosphate group
I. Violet
II. Moderately repetitive DNA sequences
III. Amino acid, pentose sugar, and sulphate group
I. Green
II. Unique DNA sequences
III. Nitrogenous base, pentose sugar, and lipid
The DNA in which the base sequence of one strand is opposite to that of other strand when read from opposite direction is called
Satellite DNA
Palindromic DNA
Repetitious DNA
Non-coding DNA
A mutation in a tRNA molecule alters its anticodon sequence from 3'-AUC-5' to 3'-AUA-5'. Assuming the wobble hypothesis applies, which of the following changes in protein synthesis is MOST likely to occur?
Protein synthesis will be terminated prematurely.
A different amino acid will be incorporated at the corresponding codon.
The mutant tRNA might recognize a different codon but still incorporate the same amino acid.
The mutation will have no effect on protein synthesis.
One full turn of the helical strand involves … steps
20
15
34
10
Identify, in which of the following carbon compounds, heterocyclic rings can be found?
Proteins
Amino acids
Nitrogen bases
Lipids
Answer briefly
I. Which colour glycogen gives on its reaction with iodine solution?
II. What is satellite DNA?
III. Name three components of a nucleotide molecule
Correct option will all answers is
I. Reddish-brown
II. Highly repetitive DNA sequence
III. Nitrogenous base, pentose sugar, phosphate group
I. Blue-black
II. Non-repetitive DNA sequence
III. Amino acid, hexose sugar, phosphate group
I. Violet
II. Moderately repetitive DNA sequence
III. Nitrogenous base, pentose sugar, sulfate group
I. Green
II. Unique DNA sequence
III. Amino acid, deoxyribose sugar, phosphate group
Which of the following statements are true?
I. Genetic RNA occurs in certain viruses called ribovirus
II. RNA of riboviruses may be single stranded
III. Double stranded RNA may also be present in riboviruses
All are correct
Only I
All are incorrect
Only II
