Is Chloroplast An Enzyme? 9 Facts You Should Know


This article illustrate all around information on “Is chloroplast an enzyme”? with different facts in detail.

Chloroplast is not an enzyme, It is a type of plastid with chlorophyll that helps the plant in performing photosynthesis which act as a membrane-bound plant cell organelles.

Why is chloroplast an enzyme?

Chloroplast is not an enzyme, it is an organelle that contains some pigments and enzymes which help to catalyze the reaction and involve in the process of photosynthesis. The light-dependent reaction of photosynthesis is performed in the thylakoid membrane.

The process of capturing light that is done by a complex of lipid,proteins and chromophores also known as light absorbing color molecules or photosynthesitc pigments embedded in thylakoid membrane while the light independent reaction also known as dark reactions of photosynthesis occur in storma,a one fluid-filled area of chloroplast outside the thylakoid membrane.

How is chloroplast an enzyme?

Chloroplast is not an enzyme, it is a type of plastid with chlorophyll that helps the plant in performing photosynthesis which act as a membrane-bound plant cell organelles.

Inside the chloroplast,chlorophyll pigments is present due to green color. It has also a double layer unit membrane that made of lipoprotein that is surrounded to colorless matrix known as a stroma.Stroma uses enzymes for the carbon fixation.The chloroplast contain most particular enzyme NADP reductase, rubisco-ribulose-1,5 bisphosphate oxygenase or carboxylase.

Is chloroplast an enzyme example Rubisco Activity
Image from Wikipedia

What kind of enzyme is a chloroplast?

There are different kind of enzymes are present within the chloroplast.The enzyme which are present on the stroma side of chloroplast, in the grana thylakoid known as a NADP-Reductase.The most important role of this enzyme is to create energy gradient and also in the light reaction of photosynthesis.

Another enzyme is Phosphoenol pyruvate carboxylase that is only present in C4 plants not in C3 plants.Phosphoenol pyruvate responsible for the fixation of PEP Carboxylase fixation.The RUBISCO and NADP-Glyceraldehyde 3 phosphate dehydrogenase is present in the stroma of chloroplast.

Another enzyme that is helpful in water splitting to separate oxygen,hydrogen and electron during the photosysytem II and also play a important role in non-cyclic photophosphorylation.

Is chloroplast an enzyme example
Image from Wikipedia

Where is chloroplast enzyme found?

There are different kind of enzymes are present within the chloroplast.The enzyme which are present on the stroma side of chloroplast, in the grana thylakoid known as a NADP-Reductase.The most important role of this enzyme is to create energy gradient and also in the light reaction of photosynthesis.Another enzyme that is helpful in water splitting to separate oxygen,hydrogen and electron during the photosysytem II and also play a important role in non-cyclic photophosphorylation.

Another enzyme is Phosphoenol pyruvate carboxylase that is only present in C4 plants not in C3 plants.Phosphoenol pyruvate responsible for the fixation of PEP Carboxylase fixation.The RUBISCO and NADP-Glyceraldehyde 3 phosphate dehydrogenase is present in the stroma of chloroplast.

Functions of chloroplast enzyme

  • The chloroplast enzymes carry out various functions in which the enzymes help convert light energy into chemical energy through the process of photosynthesis by capturing the energy from sun.
  • It helps to create an energy gradient and also in the light reaction of photosynthesis.
  • It also help in water splitting combine the hydrogen from the split up with carbon dioxide from the environment thereby making food form of carbohydrate and the byproduct is oxygen, this entire process is termed photosynthesis.
  • The enzyme’s role is to use the potential energy to synthesize a molecule known as an ATP

Structure of chloroplast enzyme

Is chloroplast an enzyme example
3D structural image of G3DH enzyme from Wikipedia

Is chloroplast enzyme involved in photosynthesis?

Yes, It help to create energy gradient and also in the light reaction of photosynthesis. It also help in water splitting combine the hydrogen from the split up with carbon dioxide from the environment thereby making food in from of carbohydrate and the byproduct is oxygen, this entire process is termed photosynthesis. The enzyme role is to use the potential energy to synthesize a molecule known as a ATP.

Is chloroplast enzyme a protein?

Chloroplast is not an enzyme, It is an organelle that contain some pigments and enzyme which help to catalyse the reaction and involve in the process of photosynthesis.The light dependent reaction of photosynthesis is performed in the thylakoid membrane.

Difference between chloroplast and chlorophyll

Chloroplast Chlorophyllchloroplast is an organelle within a plant cell ,one kind of specialized organelles.Chlorophyll is the green substance which occurs within green plants
It have a very heavily folded membrane to allow lot of surface area for photosynthesis which contain cholorphyll within them.The most common example of chlorophyll is, that it can absorb sunlight similarly to iron in red blood cells absorb oxygen in the blood.
Is chloroplast an enzyme example Chlorophyll image from Wikipedia

Conclusion

The chloroplast contain most particular enzyme NADP reductase, rubisco-ribulose-1,5 bisphosphate oxygenase or carboxylase that is to use the potential energy to synthesize a molecule known as a ATP.

Bhairavi Rathord

Hello, I am Bhairavi Rathod, I have completed my Master's in Biotechnology and qualified ICAR NET 2021 in Agricultural Biotechnology. My area of specialization is Integrated Biotechnology. I have the experience to teach and write very complex things in a simple way for learners. My LinkedIn profile: https://www.linkedin.com/in/bhairavi-rathod-806993130

Recent Posts