Which groups of plants have at least some members that possess tissues capable of transporting water and nutrients?
_____ spermatophytes.
_____ lycophytes.
_____ bryophytes.
_____ tracheophytes.
_____ embryophytes.
__X__ spermatophytes.
__X__ lycophytes.
_____ bryophytes.
__X__ tracheophytes.
__X__ embryophytes.
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What is a single-nucleotide polymorphism?
A. any point mutation B. the presence of single nucleotides in the DNA double helix C. a site where a restriction enzyme cuts D. a site where RNA polymerase binds to DNA E. None of the above is correct.
Which theory states that eukaryotic organelles originated as prokaryotes that survived ingestion by a host cell and
ultimately evolved mutualistic relationships with the host cell? a. endosymbiont theory b. heterosymbiont theory c. obligative symbiotic theory d. facultative symbiotic theory e. autotrophic symbiotic theory
Homo sapiens is the name of a species. Homo is the name of a genus. Hominidae is the name of a family. Primate is the name of an order. Mammal is the name of a:
a) class. b) phylum. c) variety. d) kingdom. e) None of the above is correct.
In some cats, black coat color (B) is dominant over brown (b) and a striped fur pattern (S) is dominant over a marbled fur pattern (s). You rescued a black striped cat from an animal shelter but could not determine its exact genotype. To do so, you mated
the cat with a brown marbled cat. The mating produced 3 brown marbled, 2 brown striped, 2 black marbled, and 3 black striped. Immediately, you concluded the genotype of your rescued cat was A) BBSS. B) BBSs. C) BbSS. D) BbSs.