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*Biology iGCSE course 🧠🥼🥽 > YEAR 9 – Topic 1 – Characteristics of Life, Organisation and Cells > Flashcards

YEAR 9 – Topic 1 – Characteristics of Life, Organisation and Cells Flashcards

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1
Q

What does the M in MRS C GREN stand for?

A

Movement

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2
Q

What does the R in MRS C GREN stand for?

A

Respiration

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3
Q

What does the S in MRS C GREN stand for?

A

Sensitivity

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4
Q

What does the C in MRS C GREN stand for?

A

Control

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5
Q

What does the G in MRS C GREN stand for?

A

Growth

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6
Q

What does the 2nd R in MRS C GREN stand for?

A

Reproduction

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7
Q

What does the E in MRS C GREN stand for?

A

Excretion

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8
Q

What does the N in MRS C GREN stand for?

A

Nutrition

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9
Q

What is an organelle

A

An organelle is part of a cell

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10
Q

The organelles in an animal cell are… (5 in total)

A 
– Nucleus
– Cytoplasm 
– Cell Membrane
– Mitrochondria
– Ribosomes
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11
Q

The organelles in an plant cell are… (8 in total)

A 
– Nucleus
– Cytoplasm 
– Cell Membrane
– Vacuole
– Chloroplasts 
– Cell Wall
– Mitrochondria
– Ribosomes
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12
Q

What does the nucleus do?

A

Controls the cell and contains DNA

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13
Q

That does the cytoplasm do?

A

It is a substance that supports organelles and it contains lots of enzymes.

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14
Q

What. Does the cell membrane do?

A

Gives the cell shape and structural support.

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15
Q

What does the vacuole do?

A

It is a cavity contains sugar and sap.

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16
Q

What does the cell wall do?

A

It gives the cell structure.

17
Q

What do the chloroplasts do?

A

They are packets containing chlorophyll. Photosynthesis happens here.

18
Q

What do the mitochondria do?

A

They are large organelles that are the site of aerobic respiration.

19
Q

What do the ribosomes do?

A

They are small but mighty! They synthesise proteins.

20
Q

What am I…?

I control the cell and contain DNA

A

The Nucleus

21
Q

What am I…?

I am a jelly-like substance that supports organelles and contains lots of enzymes.

A

Cytoplasm

22
Q

What am I…?

I give the cell shape and structural support.

A

Cell membrane

23
Q

What am I…?

I give the cell structure?

A

Cell wall

24
Q

What am I…?

I am a vanity containing sugars and sap

A

Vacuole

25
Q

What am I…?

I am where photosynthesis happens and I contain chlorophyll.

A

Chloroplasts

26
Q

What am I…?

I am a large organelle that. Is where aerobic respiration happens.

A

Mitochondria

27
Q

What am I…?

I am small but mighty! I synthesise proteins.

A

Ribosomes

28
Q

What is a cell?

A

A simple building block of life.

29
Q

What is a tissue?

A

A group of cells of a similar structure that perform the shared function.

30
Q

What is an organ?

A

A group of tissues that work together to perform a function.

31
Q

What is an organ system?

A

A group of organs that. Work together to keep. The animal alive.

32
Q

Some different types of cells are…

A

– Neurone
– Red blood cell
– Muscle cell

33
Q

Some different types of tissues are…

A

– Nerves
– Muscle
– Xylem

34
Q

Some different types of organs are…

A

– Brain
– Heart
– Stomach

35
Q

Some different types of organ systems are…

A

– Digestive
– Nervous
– Panchreatic

36
Q

What is the difference between plant and animal cells?

A

Animal cells don’t have…
– Chloroplasts
– Vacuoles
– Cell walls

37
Q

What is a specialised cell?

A

A cell that has structural adaptation to perform a specific function in the organism.

38
Q

What are the advantages of using stem cells in medicine?

A
  • They can turn into any type of cell
  • They can help fight and cure diseases
  • They can replace faulty cells
39
Q

What are the disadvantages of using stem cells in medicine?

A
  • If the cells are contaminated in the lab the patient can become seriously ill
  • Some are against using stem cells as embryos are potential life and getting rid of embryos afterwards is as bad as killing

*Biology iGCSE course 🧠🥼🥽 (11 decks)

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