Explain very briefly about .. chloroplast , mitochondria and endoplasmic reticulum ... pls ... I'll surely mark as brainliest. ...who answers best ...
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CHLOROPLAST: it contains the green pigment chlorophyll that traps solar energy for performing photo synthesis.
MITOCHONDRIA: mitochondria are usually oval shaped on spherical occur in the cell of higher organism the oxidation of glucose takes place in the mitochondria and the process release energy Mitochondria are often called the powerhouse of the cell mitochondria are absent in red blood cells
ENDOPLASMIC RECTICULUM:these are present in cells of higher organisms except in red blood cell and bacterial cells. these are tubular user membrane that transport substances from one part of the cell to the other
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MITOCHONDRIA: mitochondria are usually oval shaped on spherical occur in the cell of higher organism the oxidation of glucose takes place in the mitochondria and the process release energy Mitochondria are often called the powerhouse of the cell mitochondria are absent in red blood cells
ENDOPLASMIC RECTICULUM:these are present in cells of higher organisms except in red blood cell and bacterial cells. these are tubular user membrane that transport substances from one part of the cell to the other
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HOLA...HERE'S YOUR ANSWER...
CHLOROPLAST...
The chloroplast is bounded by a double membrane layer. There are two distinct regions present inside the chloroplasts. One is grana while the other is stroma. Grana is made up of stacks of disc-shaped structures known as thylakoids. These contain the molecule chlorophyll and are the functional units of chloroplasts. Stroma is the matrix which contains grana and is similar to the cytoplasm in cells in which all the organelles are embedded. Stroma also contains various enzymes, DNA, ribosomes, and other substances. Stroma lamellae connect the stacks of thylakoid sacs. There are two types of reactions by which photosynthesis occur, light reaction and dark reaction. Light reaction occurs in grana while dark reaction takes place in the stroma of chloroplasts.
Photosynthesis is the process in which plants obtain energy from the sun and food in the form of sugar is prepared. When sun’s energy reaches the chlorophyll molecules of chloroplasts, light energy is converted into the chemical energy and this energy is found in compounds such as ATP and NADPH. These compounds which are rich in energy, move into the stroma where carbon atoms from carbon dioxide molecules are fixed by enzymes. These molecular reactions create sugar and release oxygen.
MITOCHONDRIA..
Mitochondria are round "tube-like" organelles that provide energy to a cell in the form of ATP (Adenosine Triphosphate) for performing different chemical processes)
The mitochondria is also called powerhouse of the cell.
It is surrounded by two membranes.
The outer membrane is porous wherea the inner membrane has deep folds that provides a large surface to perform the chemical reactions required for the generation of ATP.
The inner membrane is compartmentalized into various cristae.
The ground substance or space enclosed by inner membrane is called matrix.
Mitochondria have their own DNA and ribosomes and are hence capable to produce some of their required proteins all by themselves.
ENDOPLASMIC RECTICULUM...
The large network of membranous sheets and tubes is called endoplasmic reticulum.
They are filled with fluids and carries materials throughout the cell due to which it is also called transport system of the cell.
It transports materials between the regions of cytoplasm or between the cytoplasm and nucleus.
It also provides a surface for some biochemical activities of cell.
It can be classified into two types:
RER (Rough Endoplasmic Reticulum)SER (Smooth Endoplasmic Reticulum)
The RER appears rough under a microscope as it is lined with ribosomes.
The ribosomes manufactures the proteins which are then transported throughout the cell by the Endoplasmic Reticulum.
The SER appears smooth uner microscope due to absence of ribosomes. It also manufactures fat molecules or lipids that are important for proper functioning of cell and detoxyfies the poisons present in liver cells of vertebrates.
CHLOROPLAST...
The chloroplast is bounded by a double membrane layer. There are two distinct regions present inside the chloroplasts. One is grana while the other is stroma. Grana is made up of stacks of disc-shaped structures known as thylakoids. These contain the molecule chlorophyll and are the functional units of chloroplasts. Stroma is the matrix which contains grana and is similar to the cytoplasm in cells in which all the organelles are embedded. Stroma also contains various enzymes, DNA, ribosomes, and other substances. Stroma lamellae connect the stacks of thylakoid sacs. There are two types of reactions by which photosynthesis occur, light reaction and dark reaction. Light reaction occurs in grana while dark reaction takes place in the stroma of chloroplasts.
Photosynthesis is the process in which plants obtain energy from the sun and food in the form of sugar is prepared. When sun’s energy reaches the chlorophyll molecules of chloroplasts, light energy is converted into the chemical energy and this energy is found in compounds such as ATP and NADPH. These compounds which are rich in energy, move into the stroma where carbon atoms from carbon dioxide molecules are fixed by enzymes. These molecular reactions create sugar and release oxygen.
MITOCHONDRIA..
Mitochondria are round "tube-like" organelles that provide energy to a cell in the form of ATP (Adenosine Triphosphate) for performing different chemical processes)
The mitochondria is also called powerhouse of the cell.
It is surrounded by two membranes.
The outer membrane is porous wherea the inner membrane has deep folds that provides a large surface to perform the chemical reactions required for the generation of ATP.
The inner membrane is compartmentalized into various cristae.
The ground substance or space enclosed by inner membrane is called matrix.
Mitochondria have their own DNA and ribosomes and are hence capable to produce some of their required proteins all by themselves.
ENDOPLASMIC RECTICULUM...
The large network of membranous sheets and tubes is called endoplasmic reticulum.
They are filled with fluids and carries materials throughout the cell due to which it is also called transport system of the cell.
It transports materials between the regions of cytoplasm or between the cytoplasm and nucleus.
It also provides a surface for some biochemical activities of cell.
It can be classified into two types:
RER (Rough Endoplasmic Reticulum)SER (Smooth Endoplasmic Reticulum)
The RER appears rough under a microscope as it is lined with ribosomes.
The ribosomes manufactures the proteins which are then transported throughout the cell by the Endoplasmic Reticulum.
The SER appears smooth uner microscope due to absence of ribosomes. It also manufactures fat molecules or lipids that are important for proper functioning of cell and detoxyfies the poisons present in liver cells of vertebrates.
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