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Multiple Choice
What will most likely be the result if all of the mitochondria are removed from a plant cell?
A
The cell will lose its ability to perform photosynthesis.
B
The cell will immediately begin to divide uncontrollably.
C
The cell will continue to produce ATP at normal levels using only chloroplasts.
D
The cell will be unable to produce sufficient ATP through cellular respiration.
Verified step by step guidance
1
Understand the role of mitochondria in a plant cell: Mitochondria are the organelles responsible for producing ATP through cellular respiration, which involves breaking down glucose molecules in the presence of oxygen.
Recognize that chloroplasts are involved in photosynthesis, not cellular respiration: Chloroplasts capture light energy to produce glucose and oxygen, but they do not directly produce ATP for cellular processes. ATP produced during photosynthesis is primarily used within the chloroplast itself.
Consider the consequences of removing mitochondria: Without mitochondria, the plant cell cannot perform cellular respiration, which is the primary process for generating sufficient ATP to power cellular activities outside of photosynthesis.
Clarify why the other options are incorrect: Photosynthesis occurs in chloroplasts, not mitochondria, so removing mitochondria does not directly affect photosynthesis. Uncontrolled cell division is not a direct result of losing mitochondria. Chloroplasts cannot compensate for the loss of mitochondria in producing ATP for cellular respiration.
Conclude that the correct answer is: The cell will be unable to produce sufficient ATP through cellular respiration, as mitochondria are essential for this process.