The method that Carolus Linnaeus used for classifying organisms was
a. geology
b. biogeography
c. comparative morphology
d. homology
e. evolutionary biology
C
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32P-end-labeled DNA fragment contains the AP-1–binding site sequence
The DNA was mixed with Fos, FosC (a fragment of Fos), or Jun (all of which would form a homodimer), or with a mixture of Fos and Jun or a mixture of FosC and Jun (both of which would form the two types of homodimer and the heterodimer). Reactions were analyzed by polyacrylamide gel electrophoresis, thenautoradiography. The results are shown in Figure 1. This technique is called: A. DNA footprinting. B. electrophoretic mobility shift assay. C. reporter gene assay. D. immunoprecipitation.
In metabolic channeling, the regulation of metabolic pathways is controlled by the ________ of metabolites and enzymes involved in the pathway.
A. location B. amount C. activity D. All of the choices are correct.
Minerals move from the innermost layer of the cortex into the stele via:a
osmosis. b. simple diffusion. c. facilitated diffusion. d. aquaporins. e. active transport
The diagram shows the rate of diffusion into a cell using carrier proteins. 
McGraw-Hill EducationCarrier proteins are saturated at which point?
A. 1 B. 2 C. 3 D. 4