Where on this phylogenetic tree of primate evolution do you find evolution of the anthropoids?
A. No. 2
B. No. 3
C. No. 4
D. No. 5
E. No. 6
Answer: D
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You believe that you have isolated a new strain of positive-sense, single-stranded RNA virus and set about studying it in your laboratory. Which of the following lines of evidence would most strongly support your hypothesis that the virus is a [+]ssRNA?
A) The virions are diploid. B) You sequence the bases in the viral RNA and the mRNA and find them to be antiparallel. C) Introducing a protease inhibitor causes the virus to stop producing proteins and reproducing. D) Introducing a reverse transcriptase inhibitor slows down the growth of the virus.
The most energy is contained within the ____ in the figure diagram above.
A. human
B. frogs
C. trees
D. Each level contains identical amounts of energy. (Energy cannot be created or destroyed.)
For example, the base sequences CUU, CUC, CUA, and CUG within the mRNA will all result in the amino acid leucine being placed within the ____________ molecule being built.
What will be an ideal response?
Which of the following molecules is produced in the intermediate step between glycolysis and the Krebs cycle?
A) citric acid B) acetyl CoA C) ATP D) oxaloacetate E) pyruvic acid