The ____ prevents important substances in the xylem form leaking into the root cortex
a. primary xylem
b. root hairs
c. endodermis
d. tonoplasts
e. pericycle
ANSWER: c
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A) photosystem II complex B) photosystem I complex C) coenzyme Q D) plastocyanin (PC) E) cytochrome b6/f complex
Localization economies are cost savings that a firm achieves by
A) using local rather imported than labor. B) clustering with other similar firms. C) locating in rural areas. D) locating in multiple areas. E) avoiding globalization.
The preinitiation complex forms in bacteria when the start codon is recognized through binding of 16srRNA and what region of mRNA?
What will be an ideal response?
What antibiotic kills bacteria by disrupting their cell membranes?
A) erythromycin B) rifampin C) tetracycline D) polymyxin B