The organisms most likely to undergo sympatric speciation by polyploidy are
A) birds. B) mammals. C) protists. D) insects. E) plants.
E
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The vertebrate jaw first appeared in
a. fishes. b. amphibians. 272 Test Bank c. reptiles. d. birds. e. mammals.
Which of the following sequences indicates the promoter region of a gene?
a. CAAT b. UAAG c. CTTT d. ACAT e. TAAC
In order to protect an mRNA from nuclease activity in the cytosol of a cell, a(n) ________ is added to the 3' end during RNA processing
Fill in the blank with correct word.
During fermentation, ________ compounds both donate and accept electrons, with no need for external electron acceptors, but during respiration, ________ electron donors are oxidized with exogenous compounds serving as electron acceptors
a. inorganic / organic b. organic / inorganic c. organic / inorganic or organic d. inorganic or organic / organic