Which species is considered most ancient?
a. Homo erectus
b. Australopithecus afarensis
c. Australopithecus africanus
d. Homo sapiens
e. Sahelanthropus tchadensis
E
You might also like to view...
The misshapen version of a protein that causes properly folded proteins to misfold is called a ________.
A. virus B. prion C. viroid D. capsid
Red blood cells, also known as __________, contain the hemoglobin that functions in rapid transport
of oxygen and, to a lesser extent, carbon dioxide.
Structures located at the ends of eukaryotic chromosomes are called ________
A) recessive inversions B) permissive mutations C) centromeres D) telomeres E) telomerases
Which blood vessel of the pulmonary circuit will carry deoxygenated blood?
A. pulmonary vein B. aorta C. vena cava D. pulmonary artery E. All of these carry deoxygenated blood.