Which of the following is a lipid-soluble anti-oxidant, especially within the cell membrane? a. Vitamin C...
Which of the following is a lipid-soluble anti-oxidant, especially within the cell membrane?
| a. |
Vitamin C |
|
| b. |
Vitamin E (d-alpha tocopherol) |
|
| c. |
Riboflavin |
|
| d. |
Vitamain A |
Megaloblatic anemia can result from folate deficiency.
True
False
Vitamin C can regenerate Vitamin E at the cell membrane.
True
False
Thiamin participates in the conversion of pyruvate to acetyl-CoA
True
False
Raw egg white contains an anti-nutrient which, when consumed in excess, can lead to a deficiency of which vitamin?
| a. |
Pantothenic Acid |
|
| b. |
Niacin |
|
| c. |
Biotin |
|
| d. |
Ascorbic Acid |
Homework Answers
1. Answer- Vitamin E( d-alpha-tocopherol)
Explanation- The most abundant form of Vitamin E is alpha tocopherol. It acts as a scavenger of free radicals in cell membrane and thereby prevents oxidative stress and shows antioxidant activity.
2. Answer- True
Explanation- In megaloblastic anemai, RBCs become very large and getting reduced in number is due to the deficiency in intake of folic acid.
3. Answer- True
Explanation- As Vitamin E scavenges oxygen radical it becomes Vitamin E radicals. These Vitamin E radicals is reduced by Vitamin C.
4. Answer- True.
Explanation- Conversion of Pyruvate to Acetyl -CoA is done by Pyruvate dehydrogenase complex consists of three enzyme. Thiamine pyrophosphate is one of them.
5. Answer- c. Biotin
Explanation- Raw egg white contains an anti nutrient known as Avidin. When consumed in raw, it binds to Avidin strongly. Therefore, activity of biotin is getting reduced.
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