Natural Polymers (HSC SSCE Chemistry): Quizzes

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Natural Polymers
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What type of small molecule is released when monomers join to form natural polymers?

Water

Which protein transports oxygen in the body?

Haemoglobin

What are the two common types of secondary protein structure?

α\alpha-helices and β\beta-sheets

What defines an alpha-amino acid?

Both groups on same carbon

What is the R group in glycine, the simplest amino acid?

H\text{H}

Which amino acid contains an additional carboxyl group in its R group?

Aspartic acid

What is the structure of a peptide link?

-CO-NH-\text{-CO-NH-}

How do α\alpha-glucose and β\beta-glucose differ?

Orientation of -OH\text{-OH} on C1_1

Which polysaccharide is made from β\beta-glucose?

Cellulose

Why can humans digest starch but not cellulose?

Lack enzymes for β\beta-bonds

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