The opossum and kangaroos are examples of living members of which of the following mammalian
lineages?
a. Strepsirhini
b. monotremes
c. Rodentia
d. Haplorhini
e. marsupials
E
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What RNAs do each eukaryotic RNA polymerase produce?
A. RNA pol I - mRNARNA pol II - tRNA and 5s rRNARNA pol III - rRNA B. RNA pol I - rRNARNA pol II - tRNA and 5s rRNARNA pol III - mRNA C. RNA pol I - mRNA RNA pol II - rRNA RNA pol III - tRNA and 5s rRNA D. RNA pol I - tRNA and 5s rRNA RNA pol II - mRNA RNA pol III - rRNA
Which of the following is not true about anoxygenic photosynthesis?
A. Does not produce oxygen and often produces sulfur granules B. Does not produce oxygen C. Water is the usual source of electrons for photosynthesis D. Often produces sulfur granules
A pleiotropic gene ____
a. acts on secondary sexual characteristics b. influences multiple traits c. is additive d. produces lethal effects when homozygous e. produces epigenetic effects
Innate immunity is more likely to play a role in defending the body against which of the following invaders?
A. measles B. chicken pox C. small pox virus D. microbial pathogens