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Biology > Cells Y9 > Flashcards

Cells Y9 Flashcards

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1
Q

What does MRS GRENC stand for?

A

Movement, respiration, sensitivity, growth, reproduction, excretion, nutrition,control

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2
Q

An example of movement

A

Walking ,changing position

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3
Q

Example of respiration

A

Releasing energy from food

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4
Q

Example of sensitivity

A

Ability to respond to environment, reacting to something hot and pulling hand away

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5
Q

Example of growth

A

Growing taller

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6
Q

Example of reproduction

A

Asexual -1gamete , sexual -2gametes

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7
Q

Example of excretion

A

Sweat, removal of toxic waste

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8
Q

Example of nutrition

A

Obtaining glucose and mineral ions

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9
Q

Examples of control

A

Ability to keep internal conditions the same

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10
Q

What are the five kingdoms?

A

Animal, plant, protoctists ,fungi, and prokaryotes

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11
Q

What is the use of cytoplasm?

A

When most chemical reactions take place

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12
Q

What is the use of a nucleus?

A

To hold the DNA of the cell

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13
Q

What is the use of a cell membrane?

A

Controls what enters and exit the cell

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14
Q

What is the point of a cell wall?

A

Give cell structure, helps maintain turgor pressure

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15
Q

What is the use of ribosomes?

A

Makes proteins

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16
Q

What is the point of a vacuole?

A

Stores sell sap which is made of water and sugar

17
Q

What is the point of chloroplast?

A

Contains chlorophyll for absorbing light for photosynthesis

18
Q

What is the magnification of a normal eyepiece?

A

10 times

19
Q

What are the magnification on an objective lens usually?

A

Times 4, times 10, times 40

20
Q

Calculation to show magnification

A

Image size =actual *magnification
Magnification=actual/actual image
Actual image=image size/magnification

21
Q

How do you get from;
Centimetres-millimetres-micrometers-nanometres

A

Cm *10 mm *1000 um *1000 nm

22
Q

What substance is a carbohydrate stored in plant cell?

A

Starch

23
Q

Most fungi multicellular or unicellular

A

Multicellular

24
Q

What are the threadlike structures called?

A

Hyphae which form together to create mycelium

25
Q

How do you fungi feed?

A

Saprotrophically

26
Q

What is saprotrophic nutrition?

A

This means the fungi release extra cellular enzymes directly on the food. These enzymes breakdown the food into small molecules that the fungal cells can then reabsorb the small organic molecules and use these as food to be used in respiration to release energy.

27
Q

Sales forming the high fat can contain many spores for reproduction

A

True

28
Q

What carbohydrate do fungi store

A

Glycogen

29
Q

What is the difference between the prokaryote and eukaryote cells?

A

Eukaryote cells have a nucleus and our membrane bound organelles

Biology (6 decks)

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