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प्रश्न
- What are vitamins?
- Classify them according to their solubility.
- Give one example of each type as per above classification.
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
At the end of glycolysis, ______ molecules are obtained.
Write definition.
Aerobic respiration
Distinguish between
Aerobic and anaerobic respiration.
Give scientific reason.
Cell division is one of the very important properties of cells and living organisms.
Answer the following questions.
a) Why some living organisms have to perform anaerobic respiration?
b) Give examples of such living organisms.
c) What are the two steps of anaerobic respiration?
Fill in the blank with a suitable word.
During glycolysis ______ molecules of NADH+H+ are formed.
Answer the following question.
Why is less energy produced during anaerobic respiration than in aerobic respiration?
Answer the following question.
Which compound is the terminal electron acceptor in aerobic respiration?
Answer the following question.
Where is the respiration electron transport system located in a cell?
Answer the following question.
Write explanatory notes on Electron transport chain.
State two methods of cellular respiration.
Which molecules are formed during the glycolysis process?
Which amino acids are obtained after digestion of proteins?
Identify the given reaction and explain it.
Why is water an essential nutrient?
Identify the cell organelle that is responsible for extracting energy from carbohydrates to form ATP.
In glycolysis,____________ ATP molecules are formed directly.
Where does the oxidative phosphorylation occur?
The main purpose of respiration is to convert ______
The common immediate source of energy in cellular activity is ______.
