Which of the following is False?
A) During base excision repair, a DNA glycosylase produces an apurinic or apyrimidinic site
B) DNA polymerase III proofreads.
C) Photo reactivation repair removes part of the DNA sugar-phosphate backbone
D) Xeroderma pigmentosum patients have a defect in the nucleotide excision repair pathway
In mismatch pair:
A) Either strand serves as template
B) the enzyme identifies the correct template strand because it is modified
C) Both DNA strands are deleted and the homologous chromosomes is used as template
Chromatin modifications:
A) Can be required in eukaryotes for gene expression
B) Can involve histone acetyltransferase enzyme (HAT)
C) Can relax the compact structure of chromatin
D) All of the above
At high concentration of tubulin subunits, translationof tubulin mRNA:
A) Decreases
B) Increases)
C) Remains unchanged
Methylation of DNA ____ Gene expression.
A) Increases
B) Decreases
C) Remains the same
THANK YOU
S14
Which of the following is False?
A) During base excision repair, a DNA glycosylase produces an apurinic or apyrimidinic site
B) DNA polymerase III proofreads.
C) Photo reactivation repair removes part of the DNA sugar-phosphate backbone
D) Xeroderma pigmentosum patients have a defect in the nucleotide excision repair pathway
In mismatch pair:
A) Either strand serves as template
B) the enzyme identifies the correct template strand because it is modified
C) Both DNA strands are deleted and the homologous chromosomes is used as template
Chromatin modifications:
A) Can be required in eukaryotes for gene expression
B) Can involve histone acetyltransferase enzyme (HAT)
C) Can relax the compact structure of chromatin
D) All of the above
At high concentration of tubulin subunits, translationof tubulin mRNA:
A) Decreases
B) Increases)
C) Remains unchanged
Methylation of DNA ____ Gene expression.
A) Increases
B) Decreases
C) Remains the same
THANK YOU
S14
