Transcription and Regulation – Section 1


Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

21. Transcription begins

A. at the start codon
B. upstream from the start codon
C. downstream from the start codon
D. none of these

Correct Answer: B. upstream from the start codon
Advertisement

22. Transcription results in

A. an amino acid chain
B. messenger RNA
C. complementary DNA
D. Okazaki fragments

Correct Answer: B. messenger RNA
Advertisement

23. RNA polymerase holoenzyme initiates transcription which involves

A. recognition of the -10 sequence and -35 sequence
B. recognition of the -10 sequence only
C. recognition of the -35 sequence only
D. none of the above

Correct Answer: A. recognition of the -10 sequence and -35 sequence
Advertisement

24. The transcriptional regulatory proteins in eukaryotes which induce transcription usually have

A. at least two distinct domains of protein structure, a DNA binding domain and an activation domain
B. at least two distinct domains of protein structure and a DNA binding domain
C. at least one distinct domains of protein structure, a DNA binding domain and an activation domain
D. none of these

Correct Answer: A. at least two distinct domains of protein structure, a DNA binding domain and an activation domain
Advertisement

25. In prokaryotes, transcription is

A. terminated by the stop codon
B. terminated by a protein called rho
C. terminated by a poly A sequence
D. terminated by a start codon

Correct Answer: B. terminated by a protein called rho
Advertisement

Warning: Undefined variable $in_same_cat in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Warning: Undefined variable $excluded_categories in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Leave A Comment?