A bacterial strain has a mutation in the gene encoding DNA gyrase. Which antibiotic would likely be ineffective against this strain?
Penicillin
Tetracycline
Ciprofloxacin
Erythromycin
Related Questions
Which histone is absent in nucleosomecore.
Which histone protein is NOT a core component of the nucleosome?
H2A
H2B
H3
H1
Histones are rich in the basic amino acid residues like?
Lysine
Methionine
Arginine
Both 1 and 3
Which of the following statements regarding histones is INCORRECT?
They are rich in basic amino acids like lysine and arginine.
They have a net positive charge at physiological pH.
Post-translational modifications of histones neutralize their positive charge.
They form the core of nucleosomes.
Which histone is absent in nucleosomecore.
Nucleosome model is proposed by?
Kornberg
Thomas
1 and 2
Crick
The positive charge of histones is primarily due to the abundance of which amino acids?
Aspartic acid and Glutamic acid
Lysine and Arginine
Serine and Threonine
Valine and Leucine
Histones are crucial for DNA packaging. Which of the following is NOT a characteristic of these proteins?
Rich in basic amino acids
Positively charged
Primarily composed of carbohydrates
Synthesized mainly during S phase
How many types of histones form core part of nucleosome?
Two
Five
Three
Four
Nucleosome model is proposed by?
Kornberg
Thomas
1 and 2
Crick
