Which of the following statements about Kingdom Animalia is/are FALSE?
a. Diversification of animals is due in large part to motility.
b. Diversification of animals is due in large part to predator prey interactions.
c. Diversification of animals is marked by the evolution of specialized tissues and organ
systems as well as complex behaviors.
d. Vertebrates encompass only a small fraction of total animal diversity.
e. All of these are true statements.
E
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Which of the following alternate forms of nucleic acids are not known to be biologically important?
A. G tetraplex structures can form and act as recognition sites for enzymes that cleave DNA. B. Inverted repeats can form hairpins that are important for slowing or preventing protein synthesis. C. Palindromic sequences can act as recognition sites for enzymes that cleave DNA. D. Sequence-induced bending of the DNA can act as a binding site for transcription factors. E. Cruciform structures are formed during recombination.
The genetic disorder(s) associated with DNA methylation include
A) Prader-Willi syndrome. B) Angelman syndrome. C) some cancers. D) Huntington's disease. E) all of the above
During the mid 1930s, G. F. Gause studied competition among three species of Paramecium. Through his experiments he formulated a principle of
A. niche overlap. B. exploitative competition. C. metapopulation fluctuation. D. competitive exclusion. E. interspecific competition.
Organisms with more than two chromosome sets are said to be ________
A) multiploid B) polyploid C) diploid D) haploid E) None of the above.