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
The net electric charge on DNA and histones is?
Both positive
Both negative
Negative and Positive
Zero
Transcriptionally active chromatin is
Euchromatin
Heterochromatin
Both
None
Statement 1: Mitochondrial DNA is similar to prokaryotic DNA
Statement 2: Mitochondria are through to have evolved from the prokaryotes
Statement 1 is True; Statement 2 is True; Statement 2 is correct explanation for Statement 1
Statement 1 is True; Statement 2 is True; Statement 2 is not correct explanation for Statement 1
Statement 1 is True, Statement 2 is False
Statement 1 is False, Statement 2 is True
Which nitrogenous base is present in DNA but absent in RNA?
Uracil
Adenine
Guanine
Thymine
Which of the following sugars is found in nucleic acid?
Dextrose
Glucose
Levulose
Deoxyribose
There is no DNA?
Mature RBC
Mature Spermatozoan
Hair root
An enucleated ovule
The bond which connects a nitrogenous base with deoxyribose sugar in a nucleotide of DNA molecule is
Hydrogen bond
Glycosidic bond
Ester bond
Phosphodiester bond
SS DNA is present in?
TMV
Polio Virus
Pox Virus
bacteriophage
5-Methyl Uracil, another chemical name for?
Uracil
Thymine
Adenine
Guanine
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
