Unlike most other primates, scientists speculate that humans evolved the ability to walk upright on two legs. Which term describes the ability to walk on two legs?
A) prosimian
B) hominid
C) anthropoid
D) bipedal
Ans: D) bipedal
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Bacteroides inhabit the intestinal tract of mammals and benefit the host by degrading which of the following?
A. Complex carbohydrates B. All of the choices are correct. C. Pectin D. Cellulose
The genetic information in viruses
A. is always DNA. B. is always RNA. C. is found in the nucleus of the virus. D. can be replicated outside of a cell. E. is either DNA or RNA.
Which of the following cannot be a product of transcription?
A. protein B. mRNA C. tRNA D. rRNA
Eukaryotes that are not closely related and that do not share many anatomical similarities can still be placed together on the same phylogenetic tree by comparing their _____
A) plasmids B) mitochondrial genomes C) homologous genes that are poorly conserved D) homologous genes that are highly conserved