The engulfment of food particles by a heterotrophic protist cell is
A. phagocytosis.
B. chemotaxis.
C. cytokinesis.
D. organotaxis.
E. pseudopodia.
A. phagocytosis.
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The names of the extraembryonic membranes are derived from their function in animals that produce shelled eggs.
Answer the following statement true (T) or false (F)
Arsenic is a poison that binds to a molecule needed to build acetyl CoA. Based on this information, which part of cellular respiration would be stopped if arsenic were ingested?
A) glycolysis B) citric acid cycle C) electron transport chain D) ATP synthase
Why are severe burn patients at extreme risk of infection?
A) These patients have to stay in a hospital environment for a long time while being exposed to sick people. B) The skin is the first and primary barrier to preventing ingress of foreign substances. C) Most immune system cells are destroyed when the skin is damaged. D) The skin helps with the production of vitamin E, a necessary disease-fighting vitamin.
Various species of Streptomyces are important sources of antibiotics.
Answer the following statement true (T) or false (F)