University:
Western Oregon University
Course:
BI 212 | Principles of Biology
Academic year:

2022
Views:

14

Pages:

3
Author:

DanFoster24

Biology lecture 2 Q1: Most Enzymes are _________ that act as a catalyst to speed up chemical reactions ABCD- Polysaccharides Nucleic acids Proteins Lipids Q2: _________ are organic molecules with carboxyl and amino groups ABCD- Amino acids Saccharides Fatty acids Glycerides Q3: Amino acids differ in _________ ABCD- Amino group Sidechains (R groups) Carboxyl group They are different totally Q4: Amino acids are linked by ________ bonds ABCD- Peptide Glyosidic Ionic Ester Q5: The ________ structure of a protein is its unique sequence of amino acids ABCD- primary Secondary Tertiary Quaternary Q6:The ________ structure is determined by interactions among various side chains (R groups) ABCD- primary Secondary Tertiary Quaternary Q7: The ________ structure, found in most proteins, consists of coils and folds in the polypeptide chain (α helix, β sheets) ABCD- primary Secondary Tertiary Quaternary Q8: The ________ structure results when a protein consists of multiple polypeptide chains ABCD- primary Secondary Tertiary Quaternary Q9: Collagen and Hemoglobin are example of the ________ structure of proteins ABCD- primary Secondary Tertiary Quaternary Q10: α helix and β pleated sheet are example of the _____ structure of proteins A- primary B- Secondary C- Tertiary D- Quaternary Q11: disulfide bridges exist in the ________ structure of proteins ABCD- primary Secondary Tertiary Quaternary Q12: The loss of a protein’s native structure is called ___________ ABCD- Condensation Polymerization Denaturation Renaturation Renaturation is the opposite, it’s when a denatured protein become nature Q13: __________ are protein molecules that assist the proper folding of other proteins A. Chaperonins B. collagens