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∙ 14y agoOrganelles exist so the cell can accommodate many different reactions simultaneously through compartmentalization. Some reactions or processes would be harmful to the cell if it were to exist outside of a membrane-bound organelle. For example, lysosomes contain hydrolytic enzymes that are used for digestion when it fuses with a food vacuole. These enzymes couldn't exist freely without cellular damage. Peroxisomes work similarly and can isolate one of its byproducts, hydrogen peroxide, which could be harmful to the cell.
Another main purpose of organelles is increased surface area. In Biology, every reaction depends on speed, and evolution has driven mechanisms that increase surface area. Many organelles are convoluted or twisted to give more space for reaction. The rough endoplasmic reticulum is highly folded with cisternae for ribosomes. The mitochondria has a folded inner membrane that increases the rate of respiration. Through increased surface area and compartmentalization, organelles give rise to complicated eukaryotic organisms.
Wiki User
∙ 15y agoThe same reason why a factory needs machines.
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∙ 14y agoWhy do cells have organelles
According to my view cells have organelles in order to perform the particular functions take place within the cell.
Wiki User
∙ 11y agoTo help them function, without them we wouldn't be here.
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∙ 14y agobecause without it cells cannot perform any functions and so there will be no life
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∙ 15y agoBecause cells are the basic unit of life.
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∙ 6y agoThey need them to be able to function
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What organelles do plant cells have that animal cells don?
Plant cells have certain specialized organelles that animal cells do not need. These organelles are the cell wall and chloroplasts.
Which best describes a difference between prokaryotic cells and eukaryotic cells?
Eukaryotic cells contain organelles that are enclosed in membranes
Do some cells contain organelles but not others?
Almost all cells contain organelles, but there are some which do not. Red blood cells do not contain organelles, they only contain hemoglobin.
What best describe organelles?
organelles are types of cells
What is the function of organelles?
All cells have small organs like we have that are called organelles. Cells organelles Cary out a cells daily processes such as disposing of waste or taking in food and water.
Which kind of cells have organelles?
Eukaryotic cells have organelles.
Where are organelles in cells?
Organelles are found in the cytoplasm of cells.
What are animals that use organelles called?
Animal cells use organelles (so do plant cells). Cells with organelles are called "eukaryotic" which means these are cells that have a nucleus (which is one of the organelles).
Where are organelles found in cells?
Organelles are found in the cytoplasm of cells.
Plant cells and animal cells contain organelles?
yes animal cells and plant cells do have organelles
What organelles do plant cells have that animal cells don?
Plant cells have certain specialized organelles that animal cells do not need. These organelles are the cell wall and chloroplasts.
Which best describes a difference between prokaryotic cells and eukaryotic cells?
Eukaryotic cells contain organelles that are enclosed in membranes
What does not have a organelles?
Organelles are in every cell. Virus do not have organelles.
Do some cells contain organelles but not others?
Almost all cells contain organelles, but there are some which do not. Red blood cells do not contain organelles, they only contain hemoglobin.
What best describe organelles?
organelles are types of cells
What are the 7 organelles in plant cells?
what are the 7 organelles
What organelles does a penguin cell have and their functions?
Penguin cells are eukaryotic cells so they have the same organelles as people cells (and all animal cells!)
