Sickle cell anemia is a disease in which red blood cells become irregularly shaped. The disease is caused by the presence of an incorrect amino acid in a certain protein. The disease most likely occurred due to an altered sequence of nitrogenous bases in the –
A. original DNA in the nucleus.
B. transcribed mRNA strand.
C. tRNA on the ribosome.
D. complementary DNA strands.
Select your answer:
Topics:
Hematology Acute Leukemias Blood Typing Eye Cell Theory and Microbiology Infection Obstructive Lung Disease Unintentional Injuries Biochemistry/Cells Musculoskeletal Anatomy: Knee Histology - Tissues Molecular Biology Germs & Diseases Cell Injury Malaria Body Structures and Organ SystemsOther quiz:
Sports Medicine › ViewSymptoms of sudden cardiac arrest in athletes include:
A. chest pain with exercise
B. new onset fatugue
C. palpitations or the heart racing for no reason
D. All answers are correct
First Aid › View
How can you find out if a bandage is too tight around an arm?
A. The person complains about the pain.
B. If you press a finger nail, the colour doesn’t return when you release.
C. The blood goes into the fingers and they swell.