
Can you name the two organelles we have studied that contain their own genetic material?
Answer
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Hint: These organelles are found in the cytoplasm of eukaryotic cells. One out of these two is absent in the animal cells and is only found in plant cells. The other one serves as an energy-producing organelle for the cells.
Complete answer:
The two organelles containing their own genetic material are mitochondria and plastids.
Mitochondria are sites of respiration in the cell. They are called the cell's engine since they synthesize ATP compounds rich in energy. The Cell uses the energy contained in ATP.
Plastids present in the plant cells have their own genome (DNA). They reproduce themselves (they possess the ability to divide).
Except for RBCs & Bacteria species, mitochondria occurs in plant and animal cells. They seem to be colorless. Plastid is a double membrane-bound organelle involved in food synthesis and storage, typically found in photosynthetic plant cells.
A plastid containing chlorophyll which is a green pigment is called chloroplast whereas a plastid containing pigments is called a chromoplast apart from green color. A plastid deficient in pigments is called a leucoplast and is primarily used in food storage.
ATP is the cell's "currency" of chemical energy that drives the metabolic activities of the cell. This mechanism is called aerobic respiration, which is the reason for oxygen-breathing by animals. Without mitochondria, there would probably be no higher animals because their cells could only receive energy from anaerobic respiration, a method far less effective than aerobic respiration. In reality, mitochondria enable cells to generate 15 times more ATP than they could otherwise, and to survive complex organisms, including humans, need large quantities of energy.
Note: Significant evidence indicates endosymbiosis to be the solution to the puzzle. Symbiosis is a relationship in which two distinct species of organisms exist in a similar, mutual relationship. Endosymbiosis (endo means within) is a special type of symbiosis in which one organism resides within the other.
Complete answer:
The two organelles containing their own genetic material are mitochondria and plastids.
Mitochondria are sites of respiration in the cell. They are called the cell's engine since they synthesize ATP compounds rich in energy. The Cell uses the energy contained in ATP.
Plastids present in the plant cells have their own genome (DNA). They reproduce themselves (they possess the ability to divide).
Except for RBCs & Bacteria species, mitochondria occurs in plant and animal cells. They seem to be colorless. Plastid is a double membrane-bound organelle involved in food synthesis and storage, typically found in photosynthetic plant cells.
A plastid containing chlorophyll which is a green pigment is called chloroplast whereas a plastid containing pigments is called a chromoplast apart from green color. A plastid deficient in pigments is called a leucoplast and is primarily used in food storage.
ATP is the cell's "currency" of chemical energy that drives the metabolic activities of the cell. This mechanism is called aerobic respiration, which is the reason for oxygen-breathing by animals. Without mitochondria, there would probably be no higher animals because their cells could only receive energy from anaerobic respiration, a method far less effective than aerobic respiration. In reality, mitochondria enable cells to generate 15 times more ATP than they could otherwise, and to survive complex organisms, including humans, need large quantities of energy.
Note: Significant evidence indicates endosymbiosis to be the solution to the puzzle. Symbiosis is a relationship in which two distinct species of organisms exist in a similar, mutual relationship. Endosymbiosis (endo means within) is a special type of symbiosis in which one organism resides within the other.
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