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 129 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
:D TYSM

ricroger

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Developmental regulation of human globin genes Developmental regulation of human globin genes
Structure and basic function of a typical vertebrate neuron and associated glial cells. Structure and basic function of a typical vertebrate neuron and associated glial cells.
The values of Φ and Ψ for all the amino acid The values of Φ and Ψ for all the amino acid
The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ... The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ...
Oxygen Transport: The Roles of Hemoglobin and Myoglobin Oxygen Transport: The Roles of Hemoglobin and Myoglobin
Amino acids and peptide bond formation Amino acids and peptide bond formation
Video: Glucose anabolism reactions: Glycogenolysis and Gluconeogenesis

For a complete list of videos, visit our video library