When many species share a similar characteristic because the species have originated from a common ancestor, the characteristic can be described as which of the following?
a. an analogous characteristic
b. a vestigial characteristic
c. a homologous characteristic
d. a convergent characteristic
c. a homologous characteristic
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If you were designing a method to specifically inhibit prokaryotic transcription, but not eukaryotic transcription, interfering with which of the following would work best?
A) an intercalating agent B) recognition of the promoter region C) DNase activity D) RNA polymerase II activity E) ribosomal binding
What are the most abundant zooplankton?
a. Coccolithophores b. Copepods c. Dinoflagellates d. Foraminiferans
The all-or-nothing rule of action potential production is a function of ____
a. threshold potential b. graded potential c. conduction velocity d. propagation direction e. frequency coding
What is the theoretical limit of resolution of a light microscope used to look at a sample through oil?
a. 0.22 micrometers b. 0.2 nanometers c. 1 millimeter d. 0.305 micrometers