Which of the following statements about sickle cell anemia is INCORRECT?
A. Newborn infants homozygous for the sickle cell gene have few symptoms because their red cells also contain a large amount of fetal hemoglobin as well as sickle cell hemoglobin.
B. Clumps of sickled red cells block blood vessels when blood oxygen content is reduced, which impedes blood flow to vital organs.
C. Red cells have a shorter than normal survival in the circulation.
D. No treatment is available.
E. Prenatal diagnosis of sickle cell anemia can be made by examination of DNA from fetal cells obtained by amniocentesis.
Question 2
A positive HIV antibody test indicates immunity to HIV.
Indicate whether the statement is true or false
Structure of a typical animal cell
animal cell
The reference electrodes are shared by the Nernst cell and the pump cell.
(b) Scanning electron microscopy showing a phagocytic cell in the process of phagocytizing bacteria. ...
Modern Cell Theory
An electrochemical cell is based on these two half-reactions