4. Define the major function of
I) Chloroplast
II) Mitochondria
III) Ribosome
Answers
Answer:
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Explanation:
Chloroplast: a plastid in green plant cells which contains chlorophyll and in which photosynthesis takes place.
Mitochondria: an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner part being folded inwards to form layers (cristae).
Ribosome: a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins.
Answer:
- mitochondria generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP)
-organelles called chloroplasts allow plants to capture the energy of the Sun
- ribosomes functions as a micro-machine for making proteins. Ribosomes are composed of special proteins and nucleic acids.