I'm going over a Biology study guide for finals and I haven't the faintest idea on how to explain the presence of both chloroplasts and mitochondria in plant cells. Here are the options I've narrowed it down to:
-If plants cannot produce enough ATP in the process of photosynthesis to meet their energy needs, they can produce it in aerobic respiration.
-The leaves and sometimes the stems of plants contain chloroplasts, which produce ATP to meet the energy needs of these plant parts. The roots of plants contain mitochondria, which produce ATP to meet the energy needs of these plant parts.
An explanation of your answer and some sources would be excellent. Thanks much. :]
2007-01-24 13:20:39 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Biology
The chloroplasts are there to produce glucose from sunlight energy. This glucose then transfers to the mitochondrion for aerobic respiration. The plant produces most of its ATP from aerobic respiration, not photosynthesis.
2007-01-24 13:25:17 · answer #1 · answered by bibliomaniac15 3 · 0⤊ 0⤋
Plant Cell Mitochondria
2016-12-15 12:39:06 · answer #2 · answered by alire 4 · 0⤊ 0⤋
Mitochondria In Plant Cells
2016-09-28 07:10:15 · answer #3 · answered by ? 4 · 0⤊ 0⤋
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RE:
Why are mitochondria and chloroplasts in plant cells?
I'm going over a Biology study guide for finals and I haven't the faintest idea on how to explain the presence of both chloroplasts and mitochondria in plant cells. Here are the options I've narrowed it down to:
-If plants cannot produce enough ATP in the process of photosynthesis to...
2015-08-18 22:29:41 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Photosynthesis does not provide ATP for cells to use. Photosynthesis builds glucose, and the glucose can be broken down later during respiration to provide ATP.
While it is true that the light-dependent reactions of photosynthesis make some ATP, that ATP is all used in the Calvin Cycle to build glucose. None of that ATP is available for the cell to use for its other processes.
This means that all plant cells must have mitochondria to carry on cellular respiration which provides ATP to the cells.
Photosynthesis - happens in chloroplasts - builds glucose - stores energy in glucose's bonds.
Cellular respiration - happens in mitochondria - breaks glucose apart - releases energy to make ATP.
2007-01-24 13:27:05 · answer #5 · answered by ecolink 7 · 2⤊ 1⤋
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b) have mitochondria and chloroplasts. They perform both respiration and photosynthesis.
2016-03-26 21:56:11 · answer #6 · answered by Anonymous · 0⤊ 0⤋
These are pretty good explanations of each:
http://en.wikipedia.org/wiki/Mitochondria
http://en.wikipedia.org/wiki/Chloroplast
2007-01-24 13:24:07 · answer #7 · answered by Anonymous · 0⤊ 2⤋