Portage Biochemistry Module 3 Exam with precise ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
detailed answers ||\\//||
List the 5 functions of proteins - correct answer✔✔Transport, hormones, catalysis, structure,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
protection
Define transport function of proteins and example - correct answer✔✔helps to move
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
molecules around the cell and organism, ex: Hemoglobin is a blood-based protein that
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
carries oxygen from the lungs to tissue ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Define hormone function of proteins and example - correct answer✔✔Hormones
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
communicate messages between cells, ex: relaxin is a protein hormone that helps women ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
relax pelvic ligaments during childbirth
||\\//|| ||\\//|| ||\\//|| ||\\//||
Define catalysis function of proteins and example - correct answer✔✔Enzymes speed up or
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
catalyze chemical rxns, ex: protease enzyme breaks down proteins in cells to help organisms
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
recycle unneeded proteins ||\\//|| ||\\//||
Define structure function of proteins and example - correct answer✔✔Proteins give strength
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
to cells, organelles and tissues, ex: collagen is the structural protein in cartilage, skin and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
tendons
Define amino acids - correct answer✔✔building blocks of proteins
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What functional groups do amino acids contain? - correct answer✔✔amine and carboxylic
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
acid
, What permits all amino acids to link together in a protein? - correct answer✔✔Each amino
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
acid having the same groups
||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the R group in an amino acid and how are they grouped? - correct answer✔✔Side
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
chain of the amino acid; there are 20 different side chains that differ in
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
composition/size/charge so side chains are grouped by charge, size and polarity ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What pH do amino acids exist at? - correct answer✔✔7.4
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What do amino acids lose and gain at pH of 7.4? - correct answer✔✔Lose the carboxylic
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
acid H group and gain an extra proton (NH3+)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Name the 5 sets of amino acids - correct answer✔✔Non-polar aliphatic, non-polar aromatic,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
polar neutral, acidic, basic ||\\//|| ||\\//|| ||\\//||
Define non-polar aliphatic amino acids - correct answer✔✔Straight chain amino acids
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Name the 7 nonpolar, aliphatic amino acids - correct answer✔✔glycine (Gly, G), alanine (Ala,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A), proline (Pro, P), valine (Val, V), leucine (Leu, L), isoleucine (Ile, I), methionine (Met, M)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Name the 7 nonpolar, aliphatic amino acids in abbreviations - correct answer✔✔Gly, Ala, Val,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Pro, Leu, Ile, Met
||\\//|| ||\\//|| ||\\//|| ||\\//||
Describe aliphatic amino acids and their location in proteins - correct answer✔✔Relatively
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
small which allows them to interact with other groups, found in interior of protein away
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
from water with other aliphatic groups (fold together)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Why is proline unique? - correct answer✔✔its side chain makes a ring by bonding with its
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
main chain nitrogen ||\\//|| ||\\//||
detailed answers ||\\//||
List the 5 functions of proteins - correct answer✔✔Transport, hormones, catalysis, structure,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
protection
Define transport function of proteins and example - correct answer✔✔helps to move
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
molecules around the cell and organism, ex: Hemoglobin is a blood-based protein that
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
carries oxygen from the lungs to tissue ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Define hormone function of proteins and example - correct answer✔✔Hormones
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
communicate messages between cells, ex: relaxin is a protein hormone that helps women ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
relax pelvic ligaments during childbirth
||\\//|| ||\\//|| ||\\//|| ||\\//||
Define catalysis function of proteins and example - correct answer✔✔Enzymes speed up or
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
catalyze chemical rxns, ex: protease enzyme breaks down proteins in cells to help organisms
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
recycle unneeded proteins ||\\//|| ||\\//||
Define structure function of proteins and example - correct answer✔✔Proteins give strength
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
to cells, organelles and tissues, ex: collagen is the structural protein in cartilage, skin and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
tendons
Define amino acids - correct answer✔✔building blocks of proteins
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What functional groups do amino acids contain? - correct answer✔✔amine and carboxylic
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
acid
, What permits all amino acids to link together in a protein? - correct answer✔✔Each amino
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
acid having the same groups
||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the R group in an amino acid and how are they grouped? - correct answer✔✔Side
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
chain of the amino acid; there are 20 different side chains that differ in
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
composition/size/charge so side chains are grouped by charge, size and polarity ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What pH do amino acids exist at? - correct answer✔✔7.4
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What do amino acids lose and gain at pH of 7.4? - correct answer✔✔Lose the carboxylic
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
acid H group and gain an extra proton (NH3+)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Name the 5 sets of amino acids - correct answer✔✔Non-polar aliphatic, non-polar aromatic,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
polar neutral, acidic, basic ||\\//|| ||\\//|| ||\\//||
Define non-polar aliphatic amino acids - correct answer✔✔Straight chain amino acids
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Name the 7 nonpolar, aliphatic amino acids - correct answer✔✔glycine (Gly, G), alanine (Ala,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A), proline (Pro, P), valine (Val, V), leucine (Leu, L), isoleucine (Ile, I), methionine (Met, M)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Name the 7 nonpolar, aliphatic amino acids in abbreviations - correct answer✔✔Gly, Ala, Val,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Pro, Leu, Ile, Met
||\\//|| ||\\//|| ||\\//|| ||\\//||
Describe aliphatic amino acids and their location in proteins - correct answer✔✔Relatively
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
small which allows them to interact with other groups, found in interior of protein away
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
from water with other aliphatic groups (fold together)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Why is proline unique? - correct answer✔✔its side chain makes a ring by bonding with its
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
main chain nitrogen ||\\//|| ||\\//||
