Sickle-cell anemia is an inherited blood disorder. It is caused by a change in the amino acid sequence of hemoglobin. This mutation affects hemoglobin protein structure at what level?
A) primary
B) secondary
C) tertiary
D) quaternary
E) Hemoglobin is not a protein.
A) primary
You might also like to view...
Which level of organization reflects an individual composed of multiple organ systems?
A. atom B. cell C. organ D. organism E. population
If you have type O negative blood, which types of recipients can receive your donor blood?
a. only type O negative b. only types A and B, negative or positive c. all types d. only type AB positive
The symbiotic dinoflagellates, which live in the bodies of marine invertebrates such as mollusks,
jellyfish, and corals, are called __________. a. zooxanthellae b. apicomplexans c. sporozites d. ciliates e. stramenopiles.
Which of the following diseases causes a skin rash, hair loss, malaise, and fever?
A) gonorrhea B) syphilis C) NGU D) trichomoniasis E) genital herpes