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Plant cells are eukaryotic cells present in green plants,
photosynthetic eukaryotes of the kingdom Planta. Their
distinctive features include primary cell walls containing
cellulose, hemicelluloses and pectin, the presence of
plastids with the capability to perform photosynthesis and
store starch, a large vacuole that regulates turgor pressure,
the absence of flagella or centrioles, except in the
gametes, and a unique method of cell division involving
the formation of a cell plate or phragmoplast that
separates the new daughter cells.
Nucleus (plural nuclei) is a highly
specialized cell organelle, which stores
the genetic component (chromosomes)
of the particular cell. It serves as the
main administrative center of the cell by
coordinating the metabolic processes
like cell growth, cell division and protein
synthesis. Together, the nucleus along
with its contents is referred to as
nucleoplasm.
Plastids is a collective term for organelles that
carry pigments. In a plant cell, chloroplasts are the
most prominent forms of plastids that contain the
green chlorophyll pigment. Because of these
chloroplast plastids, a plant cell has the ability to
undergo photosynthesis in the presence of
sunlight, water and carbon dioxide to synthesize
its own food.
Ribosomes are plant
organelles that comprise of
proteins (40 percent) and
ribonucleic acid or RNA (60
percent). They are
responsible for the synthesis
of proteins.
Mitochondria (singular mitochondrion) are
large, spherical or rod-shaped organelles
present in the cytoplasm of the plant cell.
They break down the complex
carbohydrates and sugars into usable forms
for the plant. A mitochondrion contains
certain enzymes that are essential for
supply of energy to the plant cell. Hence,
these cell organelles are also known as the
powerhouse of the cell.
A golgi body is also referred to as golgi
complex or golgi apparatus. It plays a
major role in transporting chemical
substances in and out of the cell. After
the endoplasmic reticulum synthesizes
lipids and proteins, golgi body alters and
prepares them for exporting outside the
cell.
Endoplasmic Reticulum
Endoplasmic reticulum (ER) is the
connecting link between the
nucleus and cytoplasm of the plant
cell. Basically, it is a network of
interconnected, convoluted sacs
present in the cytoplasm. Based on
the presence or absence of
ribosomes, ER can be of smooth or
rough types.
Vacuoles
Vacuoles are the membrane-
bound, storage organelles that help
in regulating turgor pressure of the
plant cell. In a plant cell, there can
be more than one vacuole.
However, the centrally located
vacuole is larger than the others,
which stores all sorts of chemical
compounds.
1.WIKIPEDIA
Keegstra, K (2010). "Plant cell walls". Plant Physiology. 154 (2):
483–486. doi:10.1104/pp.110.161240. PMC 2949028.
^ Raven, JA (1997). "The vacuole: a cost-benefit
analysis". Advances in Botanical Research. 25: 59–
86. doi:10.1016/S0065-2296(08)60148-2.
^ Raven, J.A. (1987). "The role of vacuoles". 106 (3): 357–
422. doi:10.1111/j.1469-8137.1987.tb00149.x
2. NCERT BOOK
Cell and cell organelles

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Cell and cell organelles

  • 1.
  • 2. Plant cells are eukaryotic cells present in green plants, photosynthetic eukaryotes of the kingdom Planta. Their distinctive features include primary cell walls containing cellulose, hemicelluloses and pectin, the presence of plastids with the capability to perform photosynthesis and store starch, a large vacuole that regulates turgor pressure, the absence of flagella or centrioles, except in the gametes, and a unique method of cell division involving the formation of a cell plate or phragmoplast that separates the new daughter cells.
  • 3.
  • 4. Nucleus (plural nuclei) is a highly specialized cell organelle, which stores the genetic component (chromosomes) of the particular cell. It serves as the main administrative center of the cell by coordinating the metabolic processes like cell growth, cell division and protein synthesis. Together, the nucleus along with its contents is referred to as nucleoplasm.
  • 5. Plastids is a collective term for organelles that carry pigments. In a plant cell, chloroplasts are the most prominent forms of plastids that contain the green chlorophyll pigment. Because of these chloroplast plastids, a plant cell has the ability to undergo photosynthesis in the presence of sunlight, water and carbon dioxide to synthesize its own food.
  • 6. Ribosomes are plant organelles that comprise of proteins (40 percent) and ribonucleic acid or RNA (60 percent). They are responsible for the synthesis of proteins.
  • 7. Mitochondria (singular mitochondrion) are large, spherical or rod-shaped organelles present in the cytoplasm of the plant cell. They break down the complex carbohydrates and sugars into usable forms for the plant. A mitochondrion contains certain enzymes that are essential for supply of energy to the plant cell. Hence, these cell organelles are also known as the powerhouse of the cell.
  • 8. A golgi body is also referred to as golgi complex or golgi apparatus. It plays a major role in transporting chemical substances in and out of the cell. After the endoplasmic reticulum synthesizes lipids and proteins, golgi body alters and prepares them for exporting outside the cell.
  • 9. Endoplasmic Reticulum Endoplasmic reticulum (ER) is the connecting link between the nucleus and cytoplasm of the plant cell. Basically, it is a network of interconnected, convoluted sacs present in the cytoplasm. Based on the presence or absence of ribosomes, ER can be of smooth or rough types.
  • 10. Vacuoles Vacuoles are the membrane- bound, storage organelles that help in regulating turgor pressure of the plant cell. In a plant cell, there can be more than one vacuole. However, the centrally located vacuole is larger than the others, which stores all sorts of chemical compounds.
  • 11.
  • 12.
  • 13. 1.WIKIPEDIA Keegstra, K (2010). "Plant cell walls". Plant Physiology. 154 (2): 483–486. doi:10.1104/pp.110.161240. PMC 2949028. ^ Raven, JA (1997). "The vacuole: a cost-benefit analysis". Advances in Botanical Research. 25: 59– 86. doi:10.1016/S0065-2296(08)60148-2. ^ Raven, J.A. (1987). "The role of vacuoles". 106 (3): 357– 422. doi:10.1111/j.1469-8137.1987.tb00149.x 2. NCERT BOOK