★ Hematology Quiz
What is the primary function of erythrocytes?
A. Transport nutrients
B. Blood clotting
C. Gaseous exchange
D. Immune response
Select your answer:
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Enzymes › ViewWhat is the reason for the drop in enzyme activity at temperatures above the optimum?
A. The activation energy increases
B. The substrate concentration decreases
C. The enzymes denature
D. The pH changes
Immunity and Vaccines › View
An organism that enters a life form and causes disease or sickness is a/an:
A. macrophage
B. pathogen
C. vaccine
D. flu