Chapter 2- Chemical Basis Of Life Flashcards Preview

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Flashcards in Chapter 2- Chemical Basis Of Life Deck (104)
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90

Protein

Polymer of amino acids

91

Structure of amino acids

Carboxyl end (COOH) and an amino acid end (NH2) as well as a variable R group

92

Peptide

2+ amino acids

93

Peptide bond

Formed between the amino group (NH2) of one amino acid to the carboxyl group (COOH) of the next

94

How many kinds of amino acids are use in protein structure?

20

95

What are the four levels of protein structure?

Primary structure
Secondary structure
Tertiary structure
Quaternary structure

96

Primary structure

The order of the amino acids in a peptide

97

Secondary structure

Coiled or FOLDED shape held together by hydrogen bonds

98

Tertiary structure

Further bending and folding

99

Quaternary structure

Between 2+ peptide chains

100

Will protein dissolve in water? Why/why not?

Yes bc proteins is polar and water is polar. Like dissolves like. The protein will bend on itself until is bonds with hydrogen in H2O

101

Protein conformation

✔️Overall protein shape
✔️Cannot function properly if shape is altered

102

Denatured protein

An unraveled or destroyed protein

Occurs when heat or changes in pH change protein shape

103

What are 6 functions of protein?

✔️structural components
✔️enzymes for catalysis
✔️communication
✔️membrane transport
✔️cell recognition/protection
✔️movement