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Which of the following is True about purine and pyrimidine bases?
- a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cell
- b)At acidic or alkaline pH the bases become charged and their solubility in water decreases
- c)Purines have two rings in their structure, but pyrimidine bases have only one ring
- d)At acidic or alkaline pH the bases become charged and their solubility in water increases
Correct answer is option 'A,C,D'. Can you explain this answer?
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Which of the following is True about purine and pyrimidine bases?a)The...
The purine and pyrimidine bases are hydrophobic and relatively insoluble in water at the near-neutral pH of the cell. At acidic or alkaline pH the bases become charged and their solubility in water increases.
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Which of the following is True about purine and pyrimidine bases?a)The...
Purine and Pyrimidine Bases
Introduction:
Purine and pyrimidine bases are two types of nitrogenous bases that are essential components of nucleotides, the building blocks of nucleic acids (DNA and RNA). These bases play a crucial role in the formation of DNA and RNA strands.
Distinguishing Characteristics:
Purine and pyrimidine bases have distinct characteristics that differentiate them from each other.
Purine Bases:
- Purine bases include adenine (A) and guanine (G).
- They have a double-ring structure consisting of a six-membered ring fused to a five-membered ring.
- The six-membered ring is derived from pyrimidine, while the five-membered ring contains nitrogen atoms.
- Purine bases are hydrophobic, meaning they are relatively insoluble in water at the near-neutral pH of the cell.
Pyrimidine Bases:
- Pyrimidine bases include cytosine (C), thymine (T), and uracil (U).
- They have a single-ring structure composed of a six-membered ring.
- Pyrimidine bases are also hydrophobic and relatively insoluble in water at the near-neutral pH of the cell.
pH Effect:
The pH of the surrounding environment can influence the solubility and charge of purine and pyrimidine bases.
At Near-Neutral pH:
- At the near-neutral pH of the cell, both purine and pyrimidine bases are hydrophobic and relatively insoluble in water.
- This property is crucial for their function in DNA and RNA, as it allows them to stack within the double helix structure and form hydrogen bonds with complementary bases.
At Acidic or Alkaline pH:
- When the pH becomes acidic or alkaline, the bases can become charged due to the presence of functional groups on their structures.
- The charged bases have increased solubility in water compared to their neutral forms.
- Therefore, at acidic or alkaline pH, the solubility of both purine and pyrimidine bases increases.
Summary:
In summary, purine and pyrimidine bases are hydrophobic and relatively insoluble in water at the near-neutral pH of the cell. Purines have two rings in their structure, while pyrimidine bases have only one ring. However, at acidic or alkaline pH, the bases become charged, leading to increased solubility in water.
Introduction:
Purine and pyrimidine bases are two types of nitrogenous bases that are essential components of nucleotides, the building blocks of nucleic acids (DNA and RNA). These bases play a crucial role in the formation of DNA and RNA strands.
Distinguishing Characteristics:
Purine and pyrimidine bases have distinct characteristics that differentiate them from each other.
Purine Bases:
- Purine bases include adenine (A) and guanine (G).
- They have a double-ring structure consisting of a six-membered ring fused to a five-membered ring.
- The six-membered ring is derived from pyrimidine, while the five-membered ring contains nitrogen atoms.
- Purine bases are hydrophobic, meaning they are relatively insoluble in water at the near-neutral pH of the cell.
Pyrimidine Bases:
- Pyrimidine bases include cytosine (C), thymine (T), and uracil (U).
- They have a single-ring structure composed of a six-membered ring.
- Pyrimidine bases are also hydrophobic and relatively insoluble in water at the near-neutral pH of the cell.
pH Effect:
The pH of the surrounding environment can influence the solubility and charge of purine and pyrimidine bases.
At Near-Neutral pH:
- At the near-neutral pH of the cell, both purine and pyrimidine bases are hydrophobic and relatively insoluble in water.
- This property is crucial for their function in DNA and RNA, as it allows them to stack within the double helix structure and form hydrogen bonds with complementary bases.
At Acidic or Alkaline pH:
- When the pH becomes acidic or alkaline, the bases can become charged due to the presence of functional groups on their structures.
- The charged bases have increased solubility in water compared to their neutral forms.
- Therefore, at acidic or alkaline pH, the solubility of both purine and pyrimidine bases increases.
Summary:
In summary, purine and pyrimidine bases are hydrophobic and relatively insoluble in water at the near-neutral pH of the cell. Purines have two rings in their structure, while pyrimidine bases have only one ring. However, at acidic or alkaline pH, the bases become charged, leading to increased solubility in water.
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Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer?
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Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer?.
Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer?.
Solutions for Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET.
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Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer?, a detailed solution for Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer? has been provided alongside types of Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which of the following is True about purine and pyrimidine bases?a)They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cellb)At acidic or alkaline pH the bases become charged and their solubility in waterdecreasesc)Purines have two rings in their structure, but pyrimidine bases have only one ringd)At acidic or alkaline pH the bases become charged and their solubility in water increasesCorrect answer is option 'A,C,D'. Can you explain this answer? tests, examples and also practice NEET tests.
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