With the cladistic method, biologists construct phylogenetic trees and classifications by grouping together only those
species that share ancestral character states.
a. True
b. False
ANSWER: False
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Which type of regulator(s) specifically bind to operator regions of DNA?
A) activators B) activators and inducers C) repressors D) repressors and corepressors
The hosts for the causative agent of cholera between
El Niño Southern Oscillations are a. humans. b. algae. c. copepods. d. shellfish. e. marine worms.
________ refers to inflammation of the bursae following an injury
Fill in the blank(s) with correct word
How does the Winogradsky column differ from Koch's plate media?
a. Koch's media creates a gradient from oxygen-rich conditions at the surface to highly reduced conditions below b. the bacteria that Winogradsky isolated can only grow in inorganic minerals c. the Winogradsky column is used for growing extremophiles d. the Winogradsky column uses the kinds of nutrients that feed humans