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James A level biology > Biological Molecules > Flashcards

Biological Molecules Flashcards

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1
Q

What are long chains of monomer sub units called?

A

Polymers

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2
Q

What are monomers of a polymer based on?

A

Carbon

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3
Q

What are reactions that produce water called?

A

Condensation

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4
Q

What do you call all the chemical processes in living organisms?

A

Metabolism

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5
Q

What is the name for a solution that one mole of solute in each litre of solution?

A

A molar solution

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6
Q

What is atomic number?

A

Number of protons in an atom

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7
Q

What is the mass number?

A

Total number of protons and neutrons in an atom

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8
Q

Give examples of monomers?

A

Monosaccharides, amino acids and nucleotides

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9
Q

What is the most basic monomer in carbohydrates?

A

Sugar

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10
Q

Monomers can join together to form long chains called what?

A

Polymers

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11
Q

A single monomer is called a what?

A

Monosaccharide

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12
Q

A pair of monosaccharides can be combined to form a what?

A

Disaccharide

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13
Q

Give examples of monosaccharides

A

Glucose, galactose and fructose

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14
Q

The test for a reducing sugar is know as what?

A

Benedicts test

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15
Q

What happens when a reducing sugar is heated with Benedicts’s reagent?

A

It forms and insoluble

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16
Q

What colour do we see a solution change to if starch is present when we add iodine in potassium iodide?

A

Yellow to bluey black

17
Q

What is the main role of starch?

A

Energy storage

18
Q

Where is glycogen found?

A

In animal and bacteria but never plant cells

19
Q

How is glycogen different to starch?

A

It has shorter chains and is more highly branched

20
Q

In animals how is glycogen stored?

A

As small granules mainly in the muscles and liver

21
Q

How is cellulose different to starch and glycogen?

A

It is made of monomers of B-glucose rather than a-glucose

James A level biology (3 decks)

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