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
Genes are
Structures that inform the cell how to make certain proteins
26
Prokaryotic cells
Do not have a nucleus or membrane-enclosed organelles
27
Name three features of prokaryotic organisms
Single celled Have small cells Include bacteria
28
Eukaryotic cells
Who’s cells have a nucleus enclosed within membranes
29
Name three features of eukaryotic organisms
Have a nucleus Have large cells Include animals, plants and fungi
30
Coverslip is placed at a..
45 degrees angle
31
Chromatin
Name given to chromosomes that are getting bigger and not dividing
32
What is the main role of DNA in a cell
Long term storage of information
33
Protoplasm
All the living parts of the cell