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

6. Vitamin B₁₂ (Cobalamin) is only synthesized by

A. fishes
B. micro-organisms
C. plants
D. animals

Show Answer

7. Which of the following are reduced coenzymes?

A. NADH and FADH2
B. NAD⁺ and FAD
C. ATP and GTP
D. Coenzyme A and ubiquinone

Show Answer

8. The absence of ascorbic acid in the human diet gives rise to

A. rickets
B. pernicious anemia
C. cataract
D. beri-beri

Show Answer

9. Vitamins are essential because the organism

A. can’t synthesize these compounds at all
B. can synthesize these compounds partially
C. can’t synthesize these compounds in the adequate amounts
D. none of the above

Show Answer

10. The prosthetic group biotin is a carrier of which type of molecule?

A. Activated carbon dioxide (CO₂)
B. Ammonia
C. Methyl group
D. Sulfhydryl group

Show Answer
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