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Multiple Choice
Which of the following does not describe a use for the ATP molecule?
A
Building block for DNA synthesis
B
Energy currency for cellular processes
C
Active transport across cell membranes
D
Muscle contraction
Verified step by step guidance
1
Understand the role of ATP (adenosine triphosphate) in cellular processes. ATP is primarily known as the energy currency of the cell, providing energy for various biological functions.
Recognize that ATP is involved in energy transfer within cells, which is crucial for processes such as active transport across cell membranes and muscle contraction.
Consider the process of DNA synthesis. DNA synthesis involves the assembly of nucleotides into a DNA strand, which requires nucleotides like dATP, dCTP, dGTP, and dTTP, not ATP as a building block.
Identify that while ATP provides energy for many cellular processes, it is not directly used as a building block for DNA synthesis. Instead, specific deoxyribonucleotide triphosphates are used.
Conclude that the statement 'Building block for DNA synthesis' does not describe a use for the ATP molecule, as ATP is not a nucleotide used in the construction of DNA strands.