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Science > Cell- Definitons > Flashcards

Cell- Definitons Flashcards

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Biology 101 flashcards
1
Q

What is a eukaryote?

A

A cell whose genetic material contained within a nucleus

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2
Q

Prokaryote

A

Cell without a nucleus his genetic material is found within the cytoplasm

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3
Q

Nucleus

A

Sub cellular structure that controls a cell and contains genetic information

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4
Q

Cell membrane

A

Jelly like substance found in cells where all the chemical reactions take place

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5
Q

Mitochondria

A

Sub cellular structure where aerobic respiration takes place

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6
Q

Ribosomes

A

Sub cellular structure that synthesises proteins

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7
Q

Cell wall

A

Sub cellular structure that surrounds the cell providing support

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8
Q

Chloroplasts

A

Sub cellular structure with photosynthesis takes place

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9
Q

Plasmid

A

The circular piece of DNA in bacterial cell that stores extra genes

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10
Q

Vacuole

A

Sub cellular structure that contains cell sap and helps keep the cell firm

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11
Q

Slime capsule

A

Layer outside the cell wall to protect bacterium from drying out and from poisonous substances

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12
Q

Flagella

A

Taillike structure which allows cells to move

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13
Q

Magnification

A

How many times larger an object can be viewed under a microscope

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14
Q

Resolution

A

The shortest distance between two objects that can still be distinguished a separate

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15
Q

Methylene blue

A

A stain that makes it easier to see the nucleus of an animal cell

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16
Q

iodine

A

A stain that makes it easier to see the nucleus of a plant cell

17
Q

Crystal violet

A

A stain that makes it easier to see bacterial cell walls

18
Q

Light microscope

A

A microscope that uses light to produce an image

19
Q

Pili

A

Tiny hairlike structures that are used to transfer genetic material between bacteria

20
Q

Electron microscope

A

Microscope that uses electrons to produce an image

21
Q

Cytoplasm

A

the material or protoplasm within a living cell, excluding the nucleus

Science (14 decks)

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