KU BIOL 600 (BIOCHEM) FINAL EXAM 1-4
QUESTIONS AND ALL ANSWERS VERIFIED
These organelles are unique to plant cells, except:
Chloroplast
Cell wall
Nucleus
Vacuole
Nucleus
Which of these biomolecules are able to catalyze cellular processes?
Proteins
RNA
lipids
carbohydrates
Proteins and RNA
In this type of protein structure, hydrogen bonds connect each amino acid on
one polypeptide strand to two amino acids on an adjacent strand.
parallel beta-sheet
The following can be a hydrogen bond donor, except:
N-H
C-H
S-H
O-H
,C-H
The polar amino acids are: (6)
serine, threonine, tyrosine, cysteine, asparagine, glutamine
In an alpha helix, the carbonyl group of residue i forms a hydrogen bond with
the amino group of residue i+n, where n = _______.
4
Polypeptides can be fragmented into smaller peptides by cleavage with trypsin,
which hydrolyzes the peptide bond at the C-terminal side of the following
protein residues
lysine and arginine
These are the three effects of protein _________?
accelerate chemical reactions
facilitate formation of a reaction transition state
decrease reaction activation energy
enzymes
What is the biochemical basis for the power of immunological techniques?
antibody-antigen interactions
What is the name and structure of the amino acid designated with a single-letter
name "W"?
tryptophan
Which weak interaction is found between water molecules?
Hydrogen bonds
, Positively charged side chains of amino acids at physiological pH include
Lysine and
Arginine
How many amino acids are there in one complete turn of protein alpha helix?
3.6
The ion-exchange chromatography is used to purify proteins based on protein
_____.
net charge
Disulfide bonds are formed when proteins contain which amino acid:
cysteine
How many essential amino acids are there in humans?
9
The single-letter name os Phenylalanine is
F
The alpha helices, beta sheets and turns refer to protein
secondary structure
EXAM 1 #19
In size-exclusion chromatography, proteins that emerge sooner are _____ in
size
large
In the intertwined helical polypeptides of Collagen, every third residue is
glycine
QUESTIONS AND ALL ANSWERS VERIFIED
These organelles are unique to plant cells, except:
Chloroplast
Cell wall
Nucleus
Vacuole
Nucleus
Which of these biomolecules are able to catalyze cellular processes?
Proteins
RNA
lipids
carbohydrates
Proteins and RNA
In this type of protein structure, hydrogen bonds connect each amino acid on
one polypeptide strand to two amino acids on an adjacent strand.
parallel beta-sheet
The following can be a hydrogen bond donor, except:
N-H
C-H
S-H
O-H
,C-H
The polar amino acids are: (6)
serine, threonine, tyrosine, cysteine, asparagine, glutamine
In an alpha helix, the carbonyl group of residue i forms a hydrogen bond with
the amino group of residue i+n, where n = _______.
4
Polypeptides can be fragmented into smaller peptides by cleavage with trypsin,
which hydrolyzes the peptide bond at the C-terminal side of the following
protein residues
lysine and arginine
These are the three effects of protein _________?
accelerate chemical reactions
facilitate formation of a reaction transition state
decrease reaction activation energy
enzymes
What is the biochemical basis for the power of immunological techniques?
antibody-antigen interactions
What is the name and structure of the amino acid designated with a single-letter
name "W"?
tryptophan
Which weak interaction is found between water molecules?
Hydrogen bonds
, Positively charged side chains of amino acids at physiological pH include
Lysine and
Arginine
How many amino acids are there in one complete turn of protein alpha helix?
3.6
The ion-exchange chromatography is used to purify proteins based on protein
_____.
net charge
Disulfide bonds are formed when proteins contain which amino acid:
cysteine
How many essential amino acids are there in humans?
9
The single-letter name os Phenylalanine is
F
The alpha helices, beta sheets and turns refer to protein
secondary structure
EXAM 1 #19
In size-exclusion chromatography, proteins that emerge sooner are _____ in
size
large
In the intertwined helical polypeptides of Collagen, every third residue is
glycine
