Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
What are the monomers of proteins called?
amino acids
fatty acids
polypeptides
monosaccharides
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When two amino acids join, they form a .
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Give 3 examples of how proteins are used in the body
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Which group determines the unique characteristics of the different amino acids?
amino group
R group
carboxyl group
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Which amino acid group contains nitrogen?
carboxyl group
amino group
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Which elements do all amino acids contain?
(Select all that apply)
oxygen
sulphur
carbon
hydrogen
nitrogen
phosphorus
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Which type of reaction breaks peptide bonds?
hydrolysis
condensation
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Amino acids join together via bonds.
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Which molecule is released in the synthesis of a peptide bond?
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Which test is used to find out if a sample contains proteins?
emulsion test
biuret test
benedict's test
iodine test
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True or False? A positive result for the Biuret test is indicated by a blue-black colour.
true
false
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Which colour indicates a negative result in the Biuret test?
purple
blue
brick-red
milky white
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