This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the basic hemoglobin defect in the thalassemias? a. One of the globin chains has an amino ... (Read 69 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535
on: Jun 25, 2018
What is the basic hemoglobin defect in the thalassemias?
 
  a. One of the globin chains has an amino acid substitution.
  b. A structurally normal globin chain is absent or produced at lower levels.
  c. Heme is produced at a lower concentration.
  d. Iron is not incorporated into the protoporphyrin ring to form heme.

Question 2

Heinz bodies are found when hemoglobin:
 
  a. Precipitates
  b. Has higher oxygen affinity
  c. Concentration is decreased
  d. Forms crystals


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: B
The thalassemias are a varied group of disorders in which the synthesis of a normal globin chain is reduced or absent. The globin chains that are made are normal in amino acid structure.

Answer to Question 2

ANS: A
Heinz bodies are found when hemoglobin is unstable and precipitates.


ahriuashd

  • Member
  • Posts: 535
Reply 2 on: Jun 25, 2018
YES! Correct, THANKS for helping me on my review

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Homologous proteins in the electron transport chains of mitochondria and chloroplasts Homologous proteins in the electron transport chains of mitochondria and chloroplasts
Amino acid codon chart Amino acid codon chart
The gender roles that we learn during childhood become part of our basic orientations to life. ... The gender roles that we learn during childhood become part of our basic orientations to life. ...
Glycosolated Hemoglobin Levels Glycosolated Hemoglobin Levels
Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round
The dissociation equilibrium constants for the protonated form of alanine (a diprotic amino ... The dissociation equilibrium constants for the protonated form of alanine (a diprotic amino ...
Video: DNA close up Animation

For a complete list of videos, visit our video library