CELL STRUCTURE Flashcards by Radwan Reda

Q

animal cell contains

A

protoplasm , cell membrane

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Q

protoplasm contains

A

nucleus , cytoplasm

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Q

cytoplasm contains

A

cell organelles , cytosol , cytoskeleton , non living materials .

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Q

The fluid between the nucleus and surface membrane

A

cytoplasm

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Q

controls the flow of substance into or out of the cell

“ selectively permeable “

A

cell membrane

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Q

controls the communication between the cell and other ones

A

cell membrane

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Q

gives a shape to the cell

A

cell membrane

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Q

sandwich theory , fluid mosaic theory

A

cell membrane theory

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Q

Phospholipids , cholesterol , proteins .

A

structure of the cell membrane in the fluid mosaic model

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Q

polar hydrophilic head with non polar hydrophobic tail

A

phospholipids

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Q

hydrophobic area , helping the bilayer to stay fluid flexible stable .

A

cholesterol

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Q

carbs with fats

A

glycolipids

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Q

carbs with protein

A

glycoprotein

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Q

98% lipids

A

structure of cell membrane in fluid mosaic model

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Q

75% phospholipids ( bilayer )

A

structure of cell membrane in fluid mosaic model

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Q

3% glycolipids

A

structure of cell membrane in fluid mosaic model

Q

20% cholesterol

A

structure of cell membrane in fluid mosaic model

Q

2% protein

A

structure of cell membrane in fluid mosaic model

Q

integral protein , peripheral protein

A

parts of the 2% protein in the bilayer

Q

Transmembrane proteins , Integral monotopic proteins

A

parts of the integral proteins

Q

this protein break through the membrane and extend outside one side of the membrane

A

Integral monotopic proteins

Q

extends into the membrane and penetrates it to the other side of the membrane

A

Transmembrane proteins

Q

It is a protein that binds to the inner surface of the membrane

A

peripheral protein

Q

glycolipids with glycoproteins

A

Glycocalyx

Q

protection , fertilization , Cell adhesion with another one .

A

glycocalyx functions

Q

Nutrition , movement , respiration , sensitivity or irritability , development , reproduction , excretion

A

Properties of Cell

Q

all organisms are composed of cells or cell products , as enzymes .

A

modern cell theory

Q

the cell is the structural and functional unit of all organisms

A

modern cell theory

Q

Organisms, by their structure and functions, are mainly based on the activity of their cells

A

modern cell theory

Q

We find that cells have one origin

A

modern cell theory

Q

Because the origin is one, so the cells of all types are similar in a number of basics such as chemical composition and metabolism mechanisms

A

modern cell theory

Q

the exceptions of the modern cell theory

A

mitochondria , viruses