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In which one of the following is nitrogen not a constituent ?
[2003]
- a)Pepsin
- b)Idioblast
- c)Bacteriochlorophyll
- d)Invertase
Correct answer is option 'B'. Can you explain this answer?
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In which one of the following is nitrogen not a constituent ?[2003]a)P...
Raphides are needle-shaped crystals of calcium carbonate or calcium oxalate found in specialized plant cells called idioblasts. It is believed that the raphides are a defense mechanism against plant predators, as they are likely to tear the soft tissues of the throat or esophagus of a plant predator chewing on the plant’s leaves. They are non-nitrogenous substances.
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In which one of the following is nitrogen not a constituent ?[2003]a)P...
Explanation:
In the given options, nitrogen is not a constituent in option B which is "Idioblast". Let's understand why.
Pepsin:
- Pepsin is an enzyme that plays a crucial role in the digestion of proteins.
- It is produced in the stomach and helps in breaking down proteins into smaller peptides.
- Nitrogen is present in the amino acid residues that make up proteins, so nitrogen is a constituent of pepsin.
Bacteriochlorophyll:
- Bacteriochlorophyll is a pigment found in certain photosynthetic bacteria.
- It is similar to chlorophyll, but it absorbs light of different wavelengths.
- Nitrogen is a constituent of bacteriochlorophyll as it is present in the porphyrin ring structure, which is responsible for absorbing light.
Invertase:
- Invertase is an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose.
- Nitrogen is present in the amino acid residues that make up invertase, so nitrogen is a constituent of invertase.
Idioblast:
- An idioblast is a specialized plant cell that contains substances such as crystals, tannins, or pigments.
- Idioblasts can vary in their content depending on the plant species.
- Nitrogen is not a constituent of idioblasts as they do not contain any specific nitrogen-containing substances.
Therefore, the correct answer is option B, "Idioblast," as nitrogen is not a constituent of idioblasts.
In the given options, nitrogen is not a constituent in option B which is "Idioblast". Let's understand why.
Pepsin:
- Pepsin is an enzyme that plays a crucial role in the digestion of proteins.
- It is produced in the stomach and helps in breaking down proteins into smaller peptides.
- Nitrogen is present in the amino acid residues that make up proteins, so nitrogen is a constituent of pepsin.
Bacteriochlorophyll:
- Bacteriochlorophyll is a pigment found in certain photosynthetic bacteria.
- It is similar to chlorophyll, but it absorbs light of different wavelengths.
- Nitrogen is a constituent of bacteriochlorophyll as it is present in the porphyrin ring structure, which is responsible for absorbing light.
Invertase:
- Invertase is an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose.
- Nitrogen is present in the amino acid residues that make up invertase, so nitrogen is a constituent of invertase.
Idioblast:
- An idioblast is a specialized plant cell that contains substances such as crystals, tannins, or pigments.
- Idioblasts can vary in their content depending on the plant species.
- Nitrogen is not a constituent of idioblasts as they do not contain any specific nitrogen-containing substances.
Therefore, the correct answer is option B, "Idioblast," as nitrogen is not a constituent of idioblasts.
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In which one of the following is nitrogen not a constituent ?[2003]a)Pepsinb)Idioblastc)Bacteriochlorophyll d)InvertaseCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In which one of the following is nitrogen not a constituent ?[2003]a)Pepsinb)Idioblastc)Bacteriochlorophyll d)InvertaseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In which one of the following is nitrogen not a constituent ?[2003]a)Pepsinb)Idioblastc)Bacteriochlorophyll d)InvertaseCorrect answer is option 'B'. Can you explain this answer?.
In which one of the following is nitrogen not a constituent ?[2003]a)Pepsinb)Idioblastc)Bacteriochlorophyll d)InvertaseCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In which one of the following is nitrogen not a constituent ?[2003]a)Pepsinb)Idioblastc)Bacteriochlorophyll d)InvertaseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In which one of the following is nitrogen not a constituent ?[2003]a)Pepsinb)Idioblastc)Bacteriochlorophyll d)InvertaseCorrect answer is option 'B'. Can you explain this answer?.
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