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Question
Which among the following is found in plant cells but absent in animal cells?
Which among the following is found in plant cells but absent in animal cells?
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Solution
The correct option is B Plastids
Plastids are double membrane-bound organelles which carry pigments or nutrients and are commonly found in plant cells and absent in animal cells. There are three types of plastids - chloroplasts, chromoplasts and leucoplasts.
The ones that carry pigments include the chloroplasts (chlorophyll, carotenoids and xanthophylls) and the chromoplasts (carotenoids and xanthophylls).
Leucoplasts are the plastids that do not carry any pigments but carry nutrients such as proteins, carbohydrates or oils in them.
Ribosomes are non-membrane bound organelles and are commonly called ‘the protein factory’ of the cell. They are sites of protein synthesis. They are found in both plant and animal cells.
Mitochondria are commonly called the ‘powerhouse of the cell’. This is where energy in the form of ATP is synthesized. These are double membrane-bound organelles and are semi-autonomous as they have their own DNA. They are found in both plant and animal cells.
Endoplasmic reticulum (ER) is a membrane-bound network extending from the nuclear membrane to the plasma membrane. ER is found in both plant and animal cells.
Plastids are double membrane-bound organelles which carry pigments or nutrients and are commonly found in plant cells and absent in animal cells. There are three types of plastids - chloroplasts, chromoplasts and leucoplasts.
The ones that carry pigments include the chloroplasts (chlorophyll, carotenoids and xanthophylls) and the chromoplasts (carotenoids and xanthophylls).
Leucoplasts are the plastids that do not carry any pigments but carry nutrients such as proteins, carbohydrates or oils in them.
Ribosomes are non-membrane bound organelles and are commonly called ‘the protein factory’ of the cell. They are sites of protein synthesis. They are found in both plant and animal cells.
Mitochondria are commonly called the ‘powerhouse of the cell’. This is where energy in the form of ATP is synthesized. These are double membrane-bound organelles and are semi-autonomous as they have their own DNA. They are found in both plant and animal cells.
Endoplasmic reticulum (ER) is a membrane-bound network extending from the nuclear membrane to the plasma membrane. ER is found in both plant and animal cells.
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