PROTEINS. A protein is: A. Polymer B. macromolecule C. Biomolecule D. Organic molecule E. All of the above.

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Presentation transcript:

PROTEINS

A protein is: A. Polymer B. macromolecule C. Biomolecule D. Organic molecule E. All of the above

The monomer of proteins: A. Monosaccharide B. Fatty acid C. Nucleic Acid D. Amino acid E. none of the above

Every protein: A,. Has a unique 3-d shape that corresponds to a specific function B. Has similar shape C. Has a different shape but not 3-D D.. Has a unique 3-d shape unrelated to function

Proteins are important to: A. Structure of cell B. Carrying activities C. Energy source D. Insulation E. Both A and B

All are major classes of proteins EXCEPT: A. structural G. Enzymes B. defense H. Signal C. Contractile D. Transport E. storage F. Energy

Proteins are made by linking: A. Nucleic acids together B. Amino acids together C. Fatty acids together D. Monosaccharides together

There are ____ amino acids A. 10 B. 15 C. 20 D. 25 E. 30

All amino acids have a central carbon A. true B. False

All amino acids have a carboxyl group A. true B. False

All amino acids have an amino group A. true B. False

All amino acids have a hydrogen attached to central carbon : A. true B. False

Every amino acid has a different R group attached to central carbon A. true B. False

What determines properties of amino acids? A. Carboxyl group B. Amino group C. Central carbon D. Hydrogen E. R-group

Amino acids are linked together: A. By process of dehydration synthesis B. By removal of water C. By covalent bonds D. By peptide bonds E. All of the above

Chain of amino acids called: A. Monosaccharide B. polysaccharide C. Polypeptide D. Triglyceride E. Dipeptide

What determines a proteins function? A. Its shape B. Zack C. Sam D. Bryan E. B, C, and D are correct

Denaturation A. The linking together of amino acids B. The breaking apart of amino acids C. The unfolding of a protein D. The breaking apart of a polysaccharide

Denaturation is caused by all EXCEPT: A. High temperature B. low temperature C. High pH D. Low PH E. Salt concentrations

Since all organisms use the same 20 amino acids to make their proteins A. Evidence for Cell Theory B. Evidence For Evolution C. Evidence from common ancestry D. Evidence of relatedness among species E. B, C, and D