Few fossils of early Homo have been found, and there is much debate about whether different individuals should be grouped together. Which of these is believed to be more ancient than the others?
A. Homo rudolfensis
B. Homo ergaster
C. Homo sapiens
D. Homo habilis
Answer: A
You might also like to view...
Post-translational modification may include
A. formation of exons and introns. B. folding of the protein, often with the aid of chaperones. C. removal of the signal sequence. D. addition of glycine tags. E. folding of the protein, often with the aid of chaperones, AND removal of the signal sequence.
What is the result of demyelination of axons?
a. reduction of the speed of action potential conduction b. increase in the threshold of excitation of the neuron c. increase of the speed of action potential conduction d. decrease in the threshold of excitation of the neuron
The Gardasil HPV vaccine consists of ____
a. viral capsid proteins that assemble into virus-like particles b. inactivated HPV c. synthetic HPV d. antibodies from infected patients e. allergens
A contributing factor in sexual transmission of HPV from infected males is
a) presence of the virus in semen. b) open-sore penile lesions. c) flat and inapparent penile lesions. d) isolation of lesions to anal region.