Quick Biochemistry - Vitamins (Section 9)
1
What substance, either a vitamin itself or a precursor to a vitamin, exhibits antioxidant functions?
2
What vitamin is essential for reactions involving the addition of carbon dioxide (carboxylation)?
3
What role do tocopherols play in biological activity, partially due to their function?
4
For which process is biotin a critical requirement?
5
Which vitamin functions as a catalyst in cellular respiration?
6
What metal is contained within the structure of Vitamin B₁₂?
7
What vitamin is found in significant quantities in whole wheat?
8
What vitamin is utilized in managing the condition of homocystinuria?
9
Which of the following is not a constituent of the coenzyme A molecule?
10
What is the most biologically active form of Vitamin D?
Відповідь(A)
25-Hydroxycholecalciferol
11
What is a key structural component of flavoproteins?
12
Which vitamin is crucial for transamination reactions?
13
How does Vitamin K contribute to the creation of clotting factors?
14
Which vitamin is required for the production of CoA?
15
Which substance acts as a cofactor in transamination?
16
What compound increases in blood and intracellular fluid when thiamine levels are low?
17
Where does the conversion of carotenoids to Vitamin A primarily occur?
18
Which vitamin is not produced by the human body?
19
What protein, involved in light reception, requires Vitamin A for its formation?
20
What are the potential effects of excessive Vitamin A intake in children?
21
What substance is protected from oxidation by tocopherols?
22
Which blood clotting factors are regulated by Vitamin K?
23
What color is observed when examining cyanomethmoglobin?
24
A deficiency in which nutrient impairs transketolase function?
25
Where is the enzyme responsible for catalyzing the hydrolysis of glucose-6-PO₄ not present?
26
From what source was Vitamin K₂ first obtained?
27
Which form of Vitamin A is essential for the visual process?
28
An increased intake of which macronutrient elevates the need for a specific vitamin?
29
Which vitamin's dietary requirement increases alongside increased protein consumption?
30
Which vitamin deficiency is linked to the presence of creatinuria?
31
Which of the following is a biochemical marker used to identify a lack of vitamin B12, as measured in urine?
