Sickle-Cell Anemia Is Caused by the Absence of the Alpha

question 37

True/False

Sickle-cell anemia is caused by the absence of the alpha chain of hemoglobin.

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Definitions:

Cyanobacterium

Photosynthetic, aquatic microorganisms that are gram-negative and often contribute to the formation of oxygen in Earth's atmosphere.

Green Alga

Single-celled, colonial, or multicelled photosynthetic protist that has chloroplasts containing chlorophylls a and b.

Prokaryotic

Cells that lack a true, membrane-bound nucleus and most other organelles, characteristic of organisms such as bacteria.

Protozoans

Diverse group of unicellular eukaryotic organisms, often considered the simplest animal life forms, living in water or as parasites.