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scinece exam grade 10 > Bio > Flashcards

Bio Flashcards

1
Q

What does the lysosome do

A

Help with digestion

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2
Q

What does the vacuole do

A

Stores food water and waste

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3
Q

What does the ribosomes and endoplasmic reticulum do?

A

Ribosomes make proteins and the ER transports it

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4
Q

Centrioles

A

Help with cell division found in animals only

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5
Q

Cell theory

A

All cells come from pre existing cells
All living things are made up of cells
Cells are the basic unit of life

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6
Q

Prophase

A

The first stage of mitosis
The nuclear membrane dissolves and chromosomes become visible

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7
Q

Metaphase

A

Chromosomes line up in the middle of the cell

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8
Q

Anaphase

A

Chromosomes separate and move to opposite ends of the cell

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9
Q

Telophase

A

Nuclear membrane reappears chromosomes go to the cell pole

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10
Q

benign VS malignant tumour

A

A benign tumour doesn’t star t of cancerous
A malignant tumour starts off cancerous

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11
Q

What is cancer

A

When cells uncontrollably divide

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12
Q

Stem cells

A

An undifferentiated cell that can divide to form specialized cells

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13
Q

What are the two types of stem cells

A

Embryonic and adult stem cells

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14
Q

Accessory organs purpose

A

Liver: produces bile
Pancreases: produces insulin
Gallbladder: stores bile

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15
Q

What’s blood made up of (%)

A

50% plasma and red blood cells
1% platelets and white blood cells

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16
Q

What do Artories do

A

Carry blood away from the heart

17
Q

What do veins do?

A

Carry blood back to the heart

18
Q

What side of the heart is oxygenated and which side of the heart is deoxygenated

A

Right side: deoxygenated
Left side: oxygenated

19
Q

What does plasma do?

A

Helps with blood clotting

20
Q

What does white blood cells do?

A

Fight off bacteria and sicknesses

21
Q

What are epithelial cells

A

Cells that line the trachea and bronchi. They are covered in cilia

22
Q

What I’d alveoli

A

Air sacs in the lungs, site of gas exchange between air and blood

23
Q

Photosynthesis word equation

A

6CO2 + 6O2 + H2O + light energy —> 6O2 +C6 H12 O6

24
Q

What are sympathetic nerves

A

They get a person ready for flight or fight

25
Q

What are autonomic nerves

A

They control self regulation

26
Q

Do injured neurons regenerate easily?

A

No

27
Q

What do peripheral nerves do

A

Sense the environment and comes up with appropriate responses

28
Q

What does xylem do

A

Transport water up

29
Q

Epidermal

A

The thin layer of cells on the surface of a plant

30
Q

What are leaves used for

A

Photosynthesis and gas exchange

31
Q

Guard cells:

A

Open and close the stoma

32
Q

Stoma:

A

Used for gas exchange

scinece exam grade 10 (4 decks)

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