Author Question: Patients with sickle cell disease suffer from vaso-occlusive crises because: a. The altered ... (Read 30 times)

maychende

  • Hero Member
  • *****
  • Posts: 556
Patients with sickle cell disease suffer from vaso-occlusive crises because:
 
  a. The altered hemoglobin facilitates the formation of bar-shaped hemoglobin crystals that occlude blood vessels.
  b. The altered hemoglobin impairs the hemoglobin's ability to effectively transport oxygen that causes vaso-occlusion.
  c. The altered hemoglobin facilitates tactoid crystal formation that alters the shape of the red blood cell, resulting in impeded blood flow in vessels.
  d. The altered hemoglobin interferes with globin chain assembly, which impedes blood flow in the vessels.

Question 2

Hemoglobin C disease has altered solubility properties similar to hemoglobin S disease. What accounts for this altered solubility?
 
  a. Heme iron is in the ferric form rather than ferrous form.
  b. The hemoglobin remains in the tense structure.
  c. A nonpolar amino acid is substituted for a polar amino acid.
  d. A polar amino acid is substituted near the pocket where heme binds.



Gabe

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

Correct Answer: C

Answer to Question 2

Correct Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

For a complete list of videos, visit our video library