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Biology Paper 2 > Mocks > Flashcards

Mocks Flashcards

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1
Q

Animal cell

A 
Nucleus 
Cell membrane
Ribosomes
Mitrochondria
Cytoplasm
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2
Q

Plant cell

A

All
Cell wall
vacuole
chloroplast

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3
Q

Artery function

A

Carries oxygenated blood from heart to organs

Except pulmonary artery

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4
Q

Artery structure

A

Thick muscular walls as under a lot of pressure

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5
Q

Vein function

A

Carry blood from body to heart deoxygenated

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6
Q

Vein structure

A

Thin walls blood under low pressure has valves

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7
Q

Capillaries function

A

Exchange of gases nutrients and waste products between blood and veins

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8
Q

Capillaries structure

A

1 cell thick
Low blood pressure
Found in muscles and lungs

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9
Q

Magnification

A

Martin Luther

Arthur Luther Martin

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10
Q

Structure of heart

A

Deoxygenated Oxygenated
Right Left

Atrium

Ventricle

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11
Q

Why is left side thicker

A

It pumps blood to rest of body

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12
Q

Cardiac output triangle

A

Cats outside

Sometimes very

Happy running

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13
Q

Order for blood

A

Rv, pa, (lungs), pv,la,lv,a,(body),vc,ra

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14
Q

Cardiac output

A

Volume of blood forced into aorta per min

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15
Q

Stroke volume

A

Volume of blood forced into aorta per contraction

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16
Q

Heart rate

A

Number of times heart beats per min

17
Q

Photosynthesis

A

Carbon. Light
Dioxide +water-> glucose+oxygen
Chlorophyll

18
Q

Limiting factors

A

Light intensity
Carbon dioxide
concentration
Temp

19
Q

Guard cells

A

Open- gain water through osmosis was become turgid open and allow co2 to enter

Close-loose water through osmosis reducing water loss on hot windy days

Control- transpiration and photosynthesis

20
Q

Transpiration

A 
Enters through roots
Moves for cell to cell through osmosis
Travels up stem by xylem
Water lost through stomata
Conditions that inrease this high temp windy
21
Q

Translocation

A

Glucose produced in chloroplast
Dissolves to form sucrose
Sucrose transported and used for energy transported in phloem
Sucrose can be packaged and used as starch

22
Q

Nitrogen cycle

A

Nitrogen fixing- special bacteria convert nitrogen gas to ammonia which the plants use.

23
Q

Day 1/5

A

Menstruation lining breaks down

24
Q

Day 6-14

A

Uterus lining thickens new egg matures

25
Q

Day 14

A

Ovulation

26
Q

Day 14-28

A

If fertilised uterus lining maintained if not, breaks down

27
Q

Fsh

A

Stimulates egg growth

28
Q

Oestrogen

A

Builds up uterus lining

29
Q

Lh

A

Surge causes ovulation

30
Q

Progesterone

A

Maintains thickness of lining

Biology Paper 2 (4 decks)

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