In sickle cell anemia, the defective hemoglobin differs from the normal hemoglobin by

A. the color of the pigment.
B. the size of the molecule.
C. a single amino acid substitution.
D. the type of blood cell it is found in.
E. the total number of amino acids.


Answer: C

Biology & Microbiology

You might also like to view...

Hormones are cleared from the body by endocrine glands

Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following are the two major abiotic factors that shape terrestrial biomes?

a. precipitation and temperature b. temperature and soil c. organisms and climate d. precipitation and soil

Biology & Microbiology

The carrying capacity is the population size at which dN/dt

A) is positive. B) is negative. C) is equal to 0. D) is equal to N.

Biology & Microbiology

Explain why it would probably be a money-losing venture to establish a plantation to grow corn in an area that used to be tropical rain forest

What will be an ideal response?

Biology & Microbiology