Which of the following is probably a member of the Archaic humans, appearing around 600,000 years ago?
a. Au. sediba
b. H. habilis
c. H. erectus
d. H. ergaster
e. H. heidelbergensis
e
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Primates, as well as dogs, sheep, and horses, have died of central nervous system (CNS) infections with which organism?
a. N. fowleri b. Acanthamoeba spp. c. Toxoplasma gondii d. Balamuthia mandrillaris
Displaced
What will be an ideal response?
Which metabolic process is common to both aerobic cellular respiration and alcoholic fermentation?
(A) Krebs cycle (B) Glycolysis (C) Electron transport chain (D) Conversion of pyruvic acid to acetyl CoA (E) Production of a proton gradient
The ________ involves proteins in the plasma that are activated when bacteria or fungi are present. These puncture holes in the cell walls of invaders.
A. complement system B. inflammatory response C. macrophagic defense system D. natural killer cell