Cells And Proteins- Lab Techniques Flashcards

1
Q

What is the uses for linear dilution?

A

To work out the volume of stock to dilute with water to achieve a certain concentration

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2
Q

What is the method for linear dilution?

A

Using different volumes of the same stock solution and combining with different volumes of a suitable solvent

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3
Q

What can paper and thin layer chromatography be used for?

A

Separating different substances such as amino Addis and sugars

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4
Q

What is the method for log dilutions?

A

This is usually achieved by using successive dilutions as the new stick solution

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5
Q

These techniques use sticks of antibodies with the same specificity, known as…

A

Monoclonal antibodies

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6
Q

When is western blotting used?

A

After SDS-PAGE electrophoresis

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7
Q

What happens if the solution is buffered to a specific pH?

A

Only the proteins that have an IEP of that pH will precipitate

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8
Q

What can be separated in electrophoresis?

A

Proteins using their IEP

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9
Q

How can proteins be identified?

A

Using specific antibodies that have reporter enzymes attached

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10
Q

What is an antibody specific to the protein antigen linked to?

A

A chemical label

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11
Q

What is bright field microscopy used to view?

A

The whole organism, parts of organisms or thin sections of dissected tissues

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12
Q

What can microbial cultures be started with?

A

An inoculum of microbial cells on an agar medium

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13
Q

What are animal cells grown in?

A

A medium containing growth factors from serum

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14
Q

What is the difference between primary cell lines and tumour cells?

A

Primary- can divid a limited number of times
Tumour- can perform unlimited divisions

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15
Q

What does the plating out of a liquid micro oral culture on solid media allow?

A

The number of colony forming units to be counted and the density of cells in the culture estimated

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16
Q

What is serial dilution needed for?

A

To achieve a suitable colony count

17
Q

What does vital staining do and how?

A

Identifies and counts viable cells by colouring dead cells ONLY