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Biology > Cell Structure > Flashcards

Cell Structure Flashcards

1
Q

What is the cell wall made of

A

Cellulose

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2
Q

What does the cell wall do

A

Gives strength and makes it less flexible

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3
Q

Where is the Cell membrane found

A

Usually found inside the cell wall

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4
Q

What is the cell membrane made up of

A

Phospholipids and proteins

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5
Q

What does the nucleus contain and give examples

A

Cells genetic info eg. rna dna snd proteins

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6
Q

What does the nucleus control

A

The activities of the cell

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7
Q

What does the nucleus make

A

Ribosomes

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8
Q

Mitochondria

A

Supply energy to the cell in a process known as respiration

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9
Q

Cells with a lot of mitochondria produce a lot of..?

A

Energy

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10
Q

What part of the mitochondria produce energy

A

Inner membranes

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11
Q

Ribosomes

A

Red dots in cells. Their function is to make proteins

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12
Q

Cytoplasm

A

Clear jelly like fluid in cells. Contains the living material in a cell outside the nucleus

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13
Q

Chloroplast

A

Function is photosynthesis

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14
Q

What is the cell wall is composed of

A

Cellulose fibre polyaccharids and proteins

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15
Q

Function of cell wall

A

Support and strengthen the cell

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16
Q

Vacuoles

A

Membrane bound sacs within the cytoplasm of a cell

17
Q

What do vacuoles provide

A

Structural support and serving functions such as storage waste disposal, protection and growth

18
Q

Plant cells have..

A

Large vacuoles

19
Q

Ultrastructure

A

The detail of a structure as seen using an electron microscope

20
Q

Electron microscope can

A

Produce images very clearly which is ideal for observing very small objects

21
Q

Function of the membrane

A

Retain the cell contents
Recognise molecules that touch them
Give some support to the cell

22
Q

What supply energy to the cell

A

Mitochondria

23
Q

What does RNA mean

A

Ribonucleic acid

24
Q

What makes ribosomes

A

The nucleus

25
Q

Genes are

A

Structures that inform the cell how to make certain proteins

26
Q

Prokaryotic cells

A

Do not have a nucleus or membrane-enclosed organelles

27
Q

Name three features of prokaryotic organisms

A

Single celled
Have small cells
Include bacteria

28
Q

Eukaryotic cells

A

Who’s cells have a nucleus enclosed within membranes

29
Q

Name three features of eukaryotic organisms

A

Have a nucleus
Have large cells
Include animals, plants and fungi

30
Q

Coverslip is placed at a..

A

45 degrees angle

31
Q

Chromatin

A

Name given to chromosomes that are getting bigger and not dividing

32
Q

What is the main role of DNA in a cell

A

Long term storage of information

33
Q

Protoplasm

A

All the living parts of the cell

Biology (29 decks)

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