Cells Flashcards

1
Q

What is the function of a cell membrane

A

It is selectively permeable and controls what molecules enter and leave the cell

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2
Q

What is a cell wall

A

It is found in only plant cells. Made of cellulose fibres, it gives strength and support to plant cells. It is freely permeable

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3
Q

What is a nucleus

A

It controls cell activities, it contains chromosomes made of DNA which carried the genetic code

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4
Q

What is the mitochondrion

A

It is the site of aerobic respiration and ATP production

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5
Q

What is the chloroplast

A

It is found only in plant cells and it contains the green pigment chlorophyll to trap light Energy it is also the site of photosynthesis

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6
Q

What is the vacuole

A

It is found in many plant cells and contains water and dissolved substance e.g sugar and salts stored as cell sap. Help maintain turgor of cells

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7
Q

What is the ribosome

A

It is the site of protein synthesis

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8
Q

What is the plasmid

A

A plan did is a small ring of DNA that is separate from the chromosomal DNA within the cell

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9
Q

What is an animal cell

A

A cell type that does not have a cell wall

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10
Q

What is a stain

A

A chemical that is used by scientists in that make some parts of a cell more visible under the microscope

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11
Q

What is a bacterial cell

A

Cells in an organism from this kingdom do not have a nucleus but have a ring of genetic material

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12
Q

What is a fungi cell

A

A cell type (e.g yeast ) which has a cell wall but no chloroplasts

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13
Q

What is a micro metre

A

Unit of measurement equivalent to 1/1000 mm

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14
Q

What is a plant cell

A

A cell type which have cell walls and often have chloroplasts

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