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biology 1 > jasmine > Flashcards

jasmine Flashcards

1
Q

osmosis

A

higher to lower water concentration

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2
Q

active transport

A

lower concentration to a higher

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3
Q

diffusion

A

a higher concentration to a lower

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4
Q

nucleus

A

controls activities in the cell

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5
Q

cell membrain

A

controls passages of substances

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6
Q

cell wall

A

gives support

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7
Q

cytoplasm

A

chemical reactions accure

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8
Q

mitochondria

A

anaerobic respiration happens

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9
Q

eukaryotic

A

DNA inside nucleus cell

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10
Q

prokaryotic

A

DNA outside nucleus cell

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11
Q

specialised cell

A

an adapted cell for a particular function

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12
Q

image

A

image = actual size times magnification

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13
Q

hypotonic

A

to little water

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14
Q

hypetonic

A

too much water

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15
Q

isotonic

A

water has the same amount of water inside the cell and outside

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16
Q

the smaller the organism…

A

the larger the volume : surface area ratio

17
Q

volume =

A

side length cubed

18
Q

what do animals release into the atmosphere

A

methane and carbon dioxide

19
Q

what do animals take from the environment

A

oxygen and water

20
Q

what happens to diffusion when the temperature is higher

A

it goes faster

21
Q

what happens to diffusion when the acid is stronger

A

it is qicker

22
Q

soluble

A

can disolve

23
Q

insoluble

A

cant disolve

24
Q

solvent

A

the liquid that something can dissolve into

25
Q

solute

A

the solid that dissolves into a liquid

26
Q

sperm

A

fertilises the egg

27
Q

what is special about a sperm cell and what does it do

A

has a flagellum that helps it move

28
Q

what does a nerve do and how is it special

A

carries electric impulse

and can connect to other cells

29
Q

how is a muscle cell specialised

A

it can contract and relax because it contains a special protein that slide over each other

30
Q

root hair

A

helps to take up water and minerals

31
Q

phloem

A

transports tissue that carries food

32
Q

xylemen

A

the transport of tissue in the plant that carries water

33
Q

differentiation

A

to turn to

34
Q

stem cell

A

an unspecialised cell that can differentiate into a specialised cell

35
Q

undifferentiation

A

has no particular function

36
Q

how often does bacteria divide

A

every 20 minutes

37
Q

cell division

A

1] interphase = cell growth
2] mitosis = cell breaks down – forms a new nucleus
3] cytokines = divides into 2

biology 1 (2 decks)

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