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Question
Which of these does not have high energy phosphate bond?
Which of these does not have high energy phosphate bond?
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Solution
The correct option is D AMP
ATP is known as energy currency of the cell. It is a nucleotide formed by the combination of adenine (nitrogenous base), a ribose sugar, and triphosphate. The phosphoanhydride bond found between the triphosphates are the high energy bonds. The terminal two phosphoanhydride bonds are known as high energy bonds because when they are broken a tremendous amount of free energy is released. The high energy phosphate bonds break to form ADP and AMP. It is a hydrolysis reaction which occurs at extreme pH. The energy released as a result of the hydrolysis of ATP provides energy for metabolic function. GTP, like ATP, is an energy-rich molecule. GTP is involved in energy transfer within the cell. For instance, one GTP molecule is generated for every turn of the Krebs cycle. One of the ways to regenerate ATP is through the molecule creatine phosphate (or phosphocreatine). In the process of regeneration of ATP, creatine phosphate transfers a high-energy phosphate to ADP. The products of this reaction are ATP and creatine. The ester bond between the alpha-phosphate and the ribose sugar in AMP is not a high energy bond. So, the correct answer is option D.
ATP is known as energy currency of the cell. It is a nucleotide formed by the combination of adenine (nitrogenous base), a ribose sugar, and triphosphate.
The phosphoanhydride bond found between the triphosphates are the high energy bonds. The terminal two phosphoanhydride bonds are known as high energy bonds because when they are broken a tremendous amount of free energy is released. The high energy phosphate bonds break to form ADP and AMP. It is a hydrolysis reaction which occurs at extreme pH. The energy released as a result of the hydrolysis of ATP provides energy for metabolic function.
GTP, like ATP, is an energy-rich molecule. GTP is involved in energy transfer within the cell. For instance, one GTP molecule is generated for every turn of the Krebs cycle.
One of the ways to regenerate ATP is through the molecule creatine phosphate (or phosphocreatine). In the process of regeneration of ATP, creatine phosphate transfers a high-energy phosphate to ADP. The products of this reaction are ATP and creatine.
The ester bond between the alpha-phosphate and the ribose sugar in AMP is not a high energy bond. So, the correct answer is option D.
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