Cells

Question 1

Name organelles in Animal cells?

Answer 1

Mitochondria 
Plasma membrane 
Cytoplasm 
RER 
Golgi apparatus 
Vesicle 
Ribosome 
Smooth ER 
Cytoskeleton 
Lysosomes

Question 2

List organelles specific to plant cells?

Answer 2

Chloroplast
Tonoplast
Cell wall

Question 3

Nucleus function

Answer 3

Contains the cells genetic material which regulates all the activities in the cell

Question 4

Nucleolus function

Answer 4

Synthesis of ribosomal RNA

Assembly of ribosomal units

Question 5

Mitochondria structure and function

Answer 5

Structure: Rod shaped or cylindrical organelles occurring in large numbers, especially in metabolically very active cells. Blinded by a double membrane; the inner layer is extensively folded to form partitions called Cristae
Function: site of aerobic respiration (the production of atp)

Question 6

Function of Ribosomes

Answer 6

Synthesis of polypeptides

Question 7

RER function

Answer 7

Site of protein synthesis and protein secretion

Question 8

Function of SER

Answer 8

Synthesis of lipids, including oils, phospholipids, and steroids

Question 9

Function of Golgi apparatus

Answer 9

Processing and transport of proteins, lipids

Question 10

Function of centrioles

Answer 10

Used during cell reproduction

Produce spindle fibres

Question 11

Function lysosomes

Answer 11

Intercellular digestion of macromolecules ( fats, protein, polysaccharides, and nucleic acids)

Question 12

Light microscope 
Mag: 
Resolution: 
Treatment of specimen:
Specimen: 
Image: 
Artefacts?:

Answer 12

Mag: x1500
Resolution: 200nm 
Treatment: specimen needs to be thin. Can be stained 
Specimen: can be alive 
Image:may be coloured using stains 
Artefacts?: no

Question 13

Scanning EM
Mag: 
Resolution: 
Treatment of specimen:
Specimen: 
Image: 
Artefacts?:

Answer 13

Scanning EM
Mag: 100,000
Resolution: 10nm
Treatment of specimen: coated with gold or carbon, as in vacuum
Specimen: dead
Image: black and white 3D
Artefacts?: yes

Question 14

Transmission EM
Mag: 
Resolution: 
Treatment of specimen: 
Specimen: 
Image: 
Artefacts?:

Answer 14

Transmission EM
Mag: 500000
Resolution: 0.2nm
Treatment of specimen: very thin, dehydrated in vacuum 
Specimen: dead 
Image: black and white 
Artefacts?: yes