Biochemistry - C785 Module 2 Questions and Correct Verified Answers
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Course
Biochemistry
Institution
Biochemistry
A diabetic patient is suffering from ketoacidosis has low blood pH. What bond or
interaction is most likely to be disrupted within a patient's hemoglobin? - ANSWER
hydrogen bonds and ionic interactions
A patient presents with a fever of 110 F. Which bond or interactions is most likely to be
dis...
Biochemistry - C785 Module 2
Questions and Correct Verified Answers
A diabetic patient is suffering from ketoacidosis has low blood pH. What bond or
interaction is most likely to be disrupted within a patient's hemoglobin? - ANSWER
hydrogen bonds and ionic interactions
A patient presents with a fever of 110 F. Which bond or interactions is most likely to be
disrupted within a neuronal protein if the fever isn't resolved quickly? - ANSWER
hydrophobic interactions
Frying an egg in a pan changes the egg white color, due to the protein ovalbumin, from
translucent to white. Which bond or interaction is most likely to be disrupted within the
ovalbumin? - ANSWER hydrophobic interactions
Protein heated to 140F loss of function and denatured - ANSWER loss of function
and denatured
Native protein misfolds and remains misfolded loss of function and aggregated -
ANSWER loss of function and aggregated
Normally active protein at physiological blood pH, where placed in a solution with a very
low pH (less than 2) loss of function and denatured - ANSWER loss of function and
denatured
Protein is placed in a solution with a very high pH (greater than 10) loss of function and
denatured - ANSWER loss of function and denatured
Protein is modified by adding a phosphate group either loss or no loss of function -
ANSWER loss or no loss of function
, Composed of amino acids - ANSWER Proteins, enzymes, cell membrane
receptors, antibodies, DNA polymerase
Enzymes are a - ANSWER special type of protein, so they are also composed of amino
acids
When the hydrophobic leucine (CH3) is replaced by the positively-charged arginine
(NH2+), the protein will misfold because the amino acids belong to different categories.
- ANSWER A missense mutation in the gene coding for DNA polymerase replaces
a leucine in position 44 with an arginine cause the DNA polymerase to misfold
DNA polymerase is responsible for - ANSWER synthesizing DNA in the DNA replication
proess
How many units does hemoglobin have? - ANSWER Hemoglobin has 4 subunits
Hemoglobin has four subunits. A missense mutation in the gene for hemoglobin
causes the subunits to associate improperly and aggregate. What level of protein
structure is affected by the mutation that impacts the function of the protein? -
ANSWER Primary structure, cause a change in the amino acid sequence. Quaternary
structure because the subunits do not associate properly.
Explain why impacting the structure of hemoglobin affects its function - ANSWER For
hemoglobin, the structure of the protein is important to the protein's ability to bind
and release oxygen, which enables our tissues to be oxygenated
Chaperones are - ANSWER helper proteins that ensure proper protein folding
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