Quick Biochemistry - Vitamins (Section 7)
1
What substance is a starting material for the biological creation of?
2
Which vitamin functions as a powerful protector against damage from other vitamins?
3
In a condition affecting the eyes, which specific chemical transformation of Vitamin D is blocked?
4
Which of the following compounds does NOT contain the element phosphorus?
5
Which mineral deficiency could lead to symptoms such as seizures and mental disturbances?
6
What vitamin is found in rice polishings?
7
In a disease affecting the nerves, which substance builds up in the bloodstream?
8
The characteristic signs of a specific deficiency disease include
Answer(C)
Diarrhea, dermatitis and dementia
9
A lack of vitamin B6 can result in which blood-related condition?
Answer(C)
Hypochromic microcytic anemia
10
A notable visual symptom associated with riboflavin deficiency is:
11
What nutritional element increases in foods that have undergone irradiation?
12
Which substance acts as an anti-vitamin in relation to folic acid?
13
Which description best fits Thymine?
14
What substance counteracts the effects of para-aminobenzoic acid?
15
Which of the B-group vitamins includes sulfur in its molecular structure?
16
In what condition might the presence of excess taurine in urine be observed?
17
Which three vitamins are crucial for the proper functioning of the nervous system?
Answer(D)
Thiamine, pyridoxin, vitamin B12
18
Which of the following items is known for its high concentration of vitamin C?
19
What vitamin plays a role in the coenzyme function during transamination processes?
20
A deficiency of which vitamin is associated with methylmalonic aciduria?
21
What health issue arises from a lack of Vitamin C?
22
Which scientist's work would be impossible without primer DNA in DNA synthesis?
23
Which vitamin is associated with preventing issues related to fertility?
24
Which of the following vitamins does NOT result in cofactors that are phosphorylated in their active state?
25
Where is molecular Iron (Fe) primarily stored in the body?
Answer(A)
Stored in the body in combination with Ferritin
26
Which nutrient can humans most readily go without?
27
A lack of Vitamin B₁₂ leads to which of these conditions?
28
What disease does a significant lack of Vitamin D cause in adults?
29
Which vitamin deficiency is most probable for someone exclusively eating meat?
30
Which of the following is a correct fact about Vitamin A?
Answer(C)
It is a component of rhodopsin
31
What substances are essential for the complete activation of pyruvate carboxylase?
32
Which metabolic process utilizes pantothenic acid as a key component of its coenzyme?
33
In which type of biochemical processes does biotin play a crucial role?
34
Which of the following vitamins is a building block for coenzyme A?
35
Which vitamin is not a dinucleotide derivative in its active form?
36
A deficiency of which vitamin is linked to methylmalonic aciduria?
37
What illness is caused by a lack of thiamine in the body?
38
Which protein interacts with retinol and retinol-binding protein?
39
The deficiency of which nutrient leads to megaloblastic anemia?
40
Which vitamin functions as an antioxidant in the body?
41
Which of the following is the chemical name for calcitriol?
Answer(D)
1,25-dihydroxy cholecalciferol
42
Where does the conversion of 25-hydroxy Vitamin D3 to 1-hydroxy occur in the body?
43
In what organ does the body perform 25-hydroxylation of Vitamin D?
44
What substance encourages the hydroxylation of 25-hydroxy cholecalciferol?
45
What protein in raw egg white interferes with nutrient absorption?
46
Which of the following contains cyanide as part of its structure?
47
Which vitamin can humans produce on their own?
48
What is the light-sensitive pigment found in the retina?
49
What vitamin is also known as the antixerophthalmic vitamin?
50
Which of the following is NOT a typical symptom of Addison's disease?