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yr 9 exams > biology definitions > Flashcards

biology definitions Flashcards

1
Q

Eukaryotic cell

A

Contains DNA in the nucleus

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2
Q

what is a cell?

A

Smallest living part, structure of life

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3
Q

Nucleus

A

Controls the activities in the cell

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4
Q

Cytoplasm

A

Most chemical reactions take place

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5
Q

cell membrane

A

Controls what goes in and out of the cell

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6
Q

Mitochondria

A

where aerobic respiration takes place, releases energy for the cell to use

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7
Q

ribosomes

A

site of protein synthesis (where protein is made )

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8
Q

substance that makes up plant walls

A

cellulose

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9
Q

cell wall

A

provides the support and strengthens the cell

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10
Q

chloroplasts

A

absorbs light for photosynthesis and contains chlorophyll

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11
Q

permanent vacuole

A

stores sap, keeps plant cells rigid to provide support

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12
Q

difference between prokaryotes and eukaryotes

A

P has a nucleus E does not

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13
Q

difference between animal and plant cells

A

Plants have : chloroplasts, permeant vacuole and cellulose cell wall

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14
Q

organism that is prokaryotes

A

Bacteria

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15
Q

Prokaryotes have a cell wall. True or false?

A

True

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16
Q

extra layer on bacteria

A

slime capsule

17
Q

genetic material of Prokaryotes

A

cytoplasm

18
Q

Difference between Prokaryotic and Eukaryotic DNA

A

Prokaryotic= circular Eukaryotic= Linear

19
Q

small DNA rings found in prokaryotes

A

Plasmid

20
Q

function of flagella

A

To allow cells to swim and move around

21
Q

difference between animal cells and bacteria

A

A= No cell wall and linear DNA
P= Cell wall and circular DNA

22
Q

similarity between plant and bacterial cells

A

Both have cell walls

23
Q

equation that links magnification, image size and actual size

A

image size = Actual size x magnification

yr 9 exams (15 decks)

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