Epigenetic changes to host cells by infecting microbes can result from binding of microbial product to which two of the following?
a. ribosomal RNA
b. lipopolysaccharide
c. small RNAs
d. histones
c. small RNAs
d. histones
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Use the following diagram of five islands formed at around the same time near a particular mainland, as well as MacArthur and Wilson's island biogeography principles, to answer the question(s) below
Which island would likely have the greatest species diversity? A) A B) B C) C D) D E) E
Lamarck’s contribution to the theory of evolution is the concept of
a. natural selection. b. catastrophism. c. inheritance of acquired characteristics. d. mutation. e. geographic distribution of organisms.
In a forest, trees that get more sunlight grow taller than other nearby trees. This is a form of ________
A. artificial selection. B. stabilizing selection. C. disruptive selection. D. directional selection. E. natural selection.
How does the energy of an electron relate with the distance from the nucleus?
A. The closer an electron is from the nucleus, the greater its energy. B. The farther an electron is from the nucleus, the greater its energy. C. The farther a proton is from the nucleus, the greater the electron's energy. D. The closer a proton is from the nucleus, the greater the electron's energy. E. The closer a neutron is from the nucleus, the greater the electron's energy.