Plants Are Considered As Food Makers. In Which Of The Following Cell Organelles Does Photosynthesis Occur?, A. Ribosome , B. Chlorophyll , C. Chlorop

"Plants are considered as food makers. In which of the following cell organelles does photosynthesis occur? a. ribosome
b. chlorophyll
c. chloroplast
d. mitochondrion
"

 

Ecosystem: Life Energy

Photosynthesis:

Question:

Plants are considered as food makers. In which of the following cell organelles does photosynthesis occur?  

a. ribosome  

b. chlorophyll  

c. chloroplast  

d. mitochondrion  

Answer:

C. Chloroplast

Definition:

Chloroplast serves as the storage of chlorophyll which are the green pigments found on plants. This green pigment enables light energy of the sun to pass through and change them into chemical energy as food for the plants. The entire process is called photosynthesis.  

Parts of the Chloroplast:

  • outer membrane
  • inner membrane
  • inter membrane space
  • stroma
  • thylakoids

The outer membrane is a semi-porous in nature and permeates small molecules and ions, which diffuses easily. It is not permeable to bigger proteins.

The inner membrane of the chloroplast builds a border to the stroma. It controls passage of materials in and out of the chloroplast. In addition of regulation activity, the fatty acids, lipids and carotenoids are broken down in the inner chloroplast membrane.

The inter membrane space is usually thin, about 10-20 nanometers and it is present between the outer and the inner membrane of the chloroplast.

The stroma is an alkaline, aqueous fluid which is rich in protein and is present within the inner membrane of the chloroplast. It is the space outside the thylakoid. The chloroplast DNA, chloroplast ribosomes, thylakoid system, starch granules, and many proteins are found floating around this part of the chloroplast.

The thylakoids is a collection of membranous sacks. The chlorophyll is found in this part and is the place where the process of light reactions of photosynthesis usually happens. They are arranged in stacks known as grana. Each granum contains around 10-20 thylakoids.

Functions of Chloroplast :

  1. Absorbs light energy and change it to biological energy.
  2. Produces NAPDH₂ and evolves oxygen through the process photosys of water.
  3. Produces ATP through photophosphorylation.
  4. Breaks the 6 - carbon atom compound into 2 molecules of phosphoglyceric acid using assimilatory powers.
  5. Converts PGA into various sugars and stores them as starch.
  6. Serves as plant immune response.
  7. Key organelles of pathogen defense.
  8. Produce food through the photosynthesis.

Code: 9.22.1.4

To learn more about chloroplast, go to the following links:

brainly.ph/question/250149

brainly.ph/question/228334

brainly.ph/question/65291


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