The group that is the most inclusive and has recently been added to the classification scheme is ____
a. kingdom
b. protista
c. eukarya
d. domain
e. eukarya and domain
D
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If CAP could not bind to its CAP site, then what would be the result? Assume lactose is present in each scenario
A. Transcription would be difficult to repress in the presence of glucose B. Transcription would be difficult to activate in the presence of glucose C. Transcription would be difficult to activate in the absence of glucose
________ is a new technique that has facilitated cell cycle studies.
Fill in the blank(s) with the appropriate word(s).
Biological diversity is an index of the variety of living organisms in an ecosystem, and includes:a
species richness only. b. species richness, genetic diversity, and ecosystem diversity. c. species richness, biosphere diversity, and ecosystem diversity. d. population diversity and ecosystem diversity. e. genetic diversity only.
Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monosperma) have overlapping ranges
Pollen grains (which contain sperm cells) from one species are unable to germinate and make pollen tubes on female ovules (which contain egg cells) of the other species. These two juniper species are kept separate by _____. A) habitat isolation B) temporal isolation C) gametic isolation D) behavioral isolation