객관식
How does ATP provide the energy that cells need?
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7. Energy and Metabolism
ATP
객관식
Where is energy stored in ATP?
A
In the adenine base
B
In the hydrogen atoms
C
In the phosphate bonds
D
In the ribose sugar
검증된 단계별 안내1
Understand the structure of ATP (adenosine triphosphate), which consists of three main components: adenine, ribose sugar, and three phosphate groups.
Recognize that ATP is a nucleotide, and its energy storage capability is primarily due to the phosphate groups attached to the ribose sugar.
Learn that the phosphate groups are linked by high-energy bonds known as phosphoanhydride bonds. These bonds are where the energy is stored.
When ATP is hydrolyzed (reacts with water), it loses one phosphate group, converting to ADP (adenosine diphosphate) and releasing energy. This process is crucial for cellular activities.
The energy released from the breaking of the phosphoanhydride bond between the second and third phosphate groups is used by cells to perform work, such as muscle contraction, active transport, and chemical synthesis.
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