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Biochemistry > BCH > Flashcards

BCH Flashcards

1
Q

Types of macromolecules

A

Proteins, polysaccharides, nucleic acid, lipids and membranes.

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2
Q

Carbohydrates are composed of ____________, ____________ and_____________

A

Carbon, hydrogen and oxygen

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3
Q

Smallest units of carbohydrates

A

Monosaccharides

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4
Q

Polymers of 2-20 Monosaccharides

A

Oligosaccharides

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5
Q

Polymers of many (more than 20)polysaccharides

A

Polysaccharides

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6
Q

What is a glycan

A

General term for carbohydrate polymers

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7
Q

A polymer of identical sugars

A

Homoglycan

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8
Q

A polymer of different sugars

A

Heteroglycan

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9
Q

What are glycolcojugates?

A

Glycoconjugates are carbohydrate derivatives in which one or more chains are linked covalently to a peptide, protein or lipid.

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10
Q

Examples of carbohydrate derivatives

A 
√Proteoglycans
√Peptidoglycans
√Peptidoglycans
√Glycoproteins
√Glycolipids
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11
Q

What are sweetners?

A

Sweetness is a sensation where a molecule like sucrose binds with the receptor and initiates a response that makes it to the brain

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12
Q

Artificial sweeteners

A

Saccharin
Sucralose
Aspartame

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13
Q

Why is it difficult for cats to taste sweetness?

A

Because they have a functional Tas1r2 gene. Theirs have been converted to a pseudogene.

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14
Q

Give examples of polysaccharides

A

Starch

Glycogen

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15
Q

Examples of structural polysaccharides

A

Cellulose

Chitin

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Biochemistry (11 decks)

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