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प्रश्न
- What are vitamins?
- Classify them according to their solubility.
- Give one example of each type as per above classification.
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उत्तर
- Vitamins are a group of heterogeneous compounds that are essential for the proper operation of various life processes.
- Vitamins can be classified into two types:
- Water-soluble vitamins: Vitamins cannot be stored in the body and must be ingested on a regular basis. Any excess is expelled in urine.
- Fat-soluble vitamins: They are absorbed with fat and stored in fatty tissue and liver.
- Water-soluble: B, C
Fat-soluble: A, D, E, K
संबंधित प्रश्न
After complete oxidation of a glucose molecules, ______ number of ATP molecules are formed.
Write a definition.
Cellular respiration
Give scientific reasons.
Cell division is one of the very important properties of cells and living organisms.
Fill in the blank with a suitable word.
During glycolysis ______ molecules of NADH+H+ are formed.
Answer the following question.
When and where does anaerobic respiration occur in man and yeast?
Answer the following question.
Why is less energy produced during anaerobic respiration than in aerobic respiration?
Answer the following question.
Where is the respiration electron transport system located in a cell?
Give scientific reason.
We feel exhausted after exercising.
Which of the following vitamins is necessary for the synthesis of NADH2?
Give scientific reason.
We feel tired after exercising.
Which amino acids are obtained after digestion of proteins?
Read the following statements and select the CORRECT option.
Statement I: In oxidative phosphorylation ATP is synthesized by using the energy released during the oxidation of substrates like NADH+ H+ and FADH2.
Statement II: Substrate-level phosphorylation is a direct phosphorylation of ADP by transfer of a phosphate group from any suitable substrate.
Which of the following is TRUE with respect to ATP?
The main purpose of respiration is to convert ______
Which of the following statement is incorrect about ATP?
The common immediate source of energy in cellular activity is ______.
