Chpt 3 Flashcards
When a protein is denatured?
It’s biological activity is lost.
Which of the following aspects of protein structure is/are most easily disrupted when a protein is heated in neutral solution?
Hydrogen bonds.
Which of the following treatments will break disulfide bridges in proteins?
Has to be 110 degrees 6M HCL
When protein is heated at 100 degrees in neutral solution, the effects are?
Loss of biological function.
Which of the following statements about normal hemoglobin are correct?
The iron of hemoglobin remains in the fe2+ state in the course of its normal functioning.
The binding of oxygen to hemoglobin is described as co operative. This means that?
The shape of the oxygen dissociation curve of hemoglobin is sigmoid.
Which of the following statements about hemoglobin are correct?
Oxygenates hemoglobin is a stronger acid than deoxygenated hemoglobin.
As pH is lowered, the affinity if hemoglobin for oxygen becomes become less.
Each molecule of hemoglobin can combine with four molecules of oxygen.
What does the right shift in hemoglobin oxygen dissociation curve signify?
Improved oxygen delivery to tissues.
Hemoglobin A1c is the product of Jon catalyzed reaction of hemoglobin with glucose. Under what circumstances will the proportion of hemoglobin A1c be higher than normal?
In a diabetic patient with poor control of blood gluclose.
Amino acids are building blocks of proteins. Which of the following is true?
All amino acids have a similar structure
