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What is the primary structure of a protein? What does theprimary structure determine? How do we represent the primarystructure of a protein? What is the protein backbone and whatsequence of atoms are seen in a protein backbone?


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Deanna Hettinger
Deanna HettingerLv2
28 Sep 2019
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Related questions

Most procedures that measure the quantity of a protein in solution are based on what principle?

A. Binding of hydrogen bonds to the backbone carbonyl oxygens.

B.Binding of copper to the backbone nitrogens in a protein..

C.Th. absorbanice of tyrosine residues in the protein.

D.The absorbarrce of tryptophan residues in the protein.

E.Both B and D

Please help with A.B.C questions about proteins according to this web:

http://mm.rcsb.org/ (my safari be able to open it after I change a few symbols now should work) please help.Thank you!!!!

A. Click on Pepsin (you’ll find it with the “Digestive Enzymes.”)

What is the function of Pepsin?

In the menu at the right – click Color > Chain. This view makes each protein strand a different color.

How many protein strands are present in pepsin?

Now click Color > Secondary Structure

This view displays different colors for different types of secondary structure. What secondary structure is represented by each color?

Pink/Red –

Yellow –

Gray –

Return to Color > Rainbow

This view traces the protein from one end to the other with ROYGBIV coloration; it can be helpful for following along the backbone of the protein.

Are parts of the protein that are near each other in the tertiarystructure always near each other in the primarystructure? How can you tell?

B. Click on Green Fluorescent Protein (you’ll find it near the bottom of the page; it is bright green) and answer the following questions.

What is the function of the Green Fluorescent Protein?

How many protein strands are present in Green Fluorescent Protein?

What types of secondary structure are present and how are they arranged?

C. Click on Prefoldin (you’ll find it with the “Protein Synthesis” proteins)and answer the following questions.

What is the function of the prefoldin protein?

How many protein strands are present in prefoldin?

What types of secondary structure are present and how are they arranged?

The sequence of amino acids is considered to be the ________ structure of a protein.

Select one:

a. secondary

b. tertiary

c. quaternary

d. primary

The pattern the backbone folds, for example alpha-helix or beta pleated sheet, is the ________ structure of a protein.

Select one:

a. quaternary

b. secondary

c. tertiary

d. primary

Which type of forces stabilizes the primary structure of a protein?

Select one:

a. Salt bridges

b. Hydrogen bonding between the carbonyl group and amino group

c. Dipole-dipole

d. Peptide bonds

The interaction of the side chains on the amino acids, for example hydrophobic attractions, is the ________ structure of a protein.

Select one:

a. quaternary

b. secondary

c. tertiary

d. primary

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