• What are the characteristic features of cytoplasm?
• What is the function of the cytosol in a cell?
• Can you differentiate between cytosol and cytoplasm
• What are some ways that you think plant cell may differ from animal cell?
• How does the structure of a cell suggest its function?
• In what way does the nucleus dictate the structure and function of the cell?
• How are the organelles in a cell like the organs in a human body?
• Why do you think cells that produce large numbers of proteins have more rough endoplasmic reticulum (ER) than cells that produce fewer proteins?
• In which kinds of human cells would you expect to find the most mitochondria? The most lysosomes? The most ribosomes? Explain your answers.
sanshri2010:
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class eight
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1) the characterstic feature of cytoplasm are as follow:
i] Most of the important activities of the cell occur in the cytoplasm. Cytoplasm contains molecules such as enzymes which are responsible for breaking down waste and also aid in metabolic activity.
ii]Cytoplasm is responsible for giving a cell its shape. It helps to fill out the cell and keeps organelles in their place. Without cytoplasm, the cell would be deflated and materials would not be able to pass easily from one organelle to another.
2)As Cytosol is the part of the cytoplasm that does not contain organelles.Hence, cytosol is confined by the boundaries of a matrix which fills the part of the cell that does not contain organelles.
3)Cytoplam = cell organelle +membranes(nuclear membrane and plasma membrane) + cytosol
Cytosol =cytoplasm - cell organelle
4)Plant cell:
i]have cell wall
ii]donot have centriole
iii]have large central vacuole
iv]usually large in size
v]plastids are present
Animal Cell
i]donot have cell wall
ii]have centriole
iii]have small vacuoles present in small amount
iv]usually small in size
v]plastids are absent
5)the shape of cell shows a direct relationship with the function it provides for eg:
RED BLOOD CELL:
they are flat and round and very small ,allowing them to move in thin capillaries, ans blood vessels where oxygen is to transfed.
6) nucleus contain the genetic material in the form of DNA which have genes or sequences of base pairs which decide the structure and function of cell, i.e., it carry information in the form of base sequences hence it codes for a particular type of protein which turns into a particular trait depicted by a cell.
7)like the human body, body parts help in doing differnt types of works in the similar way organelles in a cell help in conducting a particular task to its final detination.
8) Well the Rough Endoplasmic Reticulum (RER), have protein producing cells called Ribosomes. They are an essential part of producing protein along with, DNA, mRNA tRNA etc. Ribosomes catalyze protein translation; in other words Ribosomes translate mRNA into making proteins.
9)Mitochondria is known as power house of the cell hence they are present in large quantity in those cells which need more ATP production. EG: Muscle cell.
Lysosomes are known as suicidal bags of cell . So they are present in more quantity in those cell which needs to engulf more pathogenic organism. For Eg: Macrophages
Ribosomes are known as protein factory of cell. hence Cells that are transcriptionally and translationally active, producing a lot of proteins will have more no. of ribosomes. For eg: Pancreatic cell
i] Most of the important activities of the cell occur in the cytoplasm. Cytoplasm contains molecules such as enzymes which are responsible for breaking down waste and also aid in metabolic activity.
ii]Cytoplasm is responsible for giving a cell its shape. It helps to fill out the cell and keeps organelles in their place. Without cytoplasm, the cell would be deflated and materials would not be able to pass easily from one organelle to another.
2)As Cytosol is the part of the cytoplasm that does not contain organelles.Hence, cytosol is confined by the boundaries of a matrix which fills the part of the cell that does not contain organelles.
3)Cytoplam = cell organelle +membranes(nuclear membrane and plasma membrane) + cytosol
Cytosol =cytoplasm - cell organelle
4)Plant cell:
i]have cell wall
ii]donot have centriole
iii]have large central vacuole
iv]usually large in size
v]plastids are present
Animal Cell
i]donot have cell wall
ii]have centriole
iii]have small vacuoles present in small amount
iv]usually small in size
v]plastids are absent
5)the shape of cell shows a direct relationship with the function it provides for eg:
RED BLOOD CELL:
they are flat and round and very small ,allowing them to move in thin capillaries, ans blood vessels where oxygen is to transfed.
6) nucleus contain the genetic material in the form of DNA which have genes or sequences of base pairs which decide the structure and function of cell, i.e., it carry information in the form of base sequences hence it codes for a particular type of protein which turns into a particular trait depicted by a cell.
7)like the human body, body parts help in doing differnt types of works in the similar way organelles in a cell help in conducting a particular task to its final detination.
8) Well the Rough Endoplasmic Reticulum (RER), have protein producing cells called Ribosomes. They are an essential part of producing protein along with, DNA, mRNA tRNA etc. Ribosomes catalyze protein translation; in other words Ribosomes translate mRNA into making proteins.
9)Mitochondria is known as power house of the cell hence they are present in large quantity in those cells which need more ATP production. EG: Muscle cell.
Lysosomes are known as suicidal bags of cell . So they are present in more quantity in those cell which needs to engulf more pathogenic organism. For Eg: Macrophages
Ribosomes are known as protein factory of cell. hence Cells that are transcriptionally and translationally active, producing a lot of proteins will have more no. of ribosomes. For eg: Pancreatic cell
thanks a lot. this will really save me
my pleasure ... as u r in 8th i think there may be some term which u cannot get ....then u may ask me i will explain u
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