Food can be treated with (antibiotics/bacteriophage/probiotics) to prevent listeriosis.
Fill in the blank(s) with the appropriate word(s).
bacteriophage
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Normally, the xanthophylls present in the thylakoid membrane are associated mainly with photosystem II
If a mutation occurred that caused xanthophylls to be randomly distributed in the thylakoid membrane, which of the following would you predict would happen? A. the frequency of nonspecific oxidation of molecules in the cell would increase B. NADPH production would increase under conditions of intense light C. levels of reactive oxygen species in the thylakoid lumen would drop dramatically D. the rate of cyclic electron transport would increase
A student prepares lysate A from cells with high levels of cAMP and lysate B from cells with very low levels of cAMP. If these lysates were subjected to DNase, it could be predicted that cAMP receptor protein binding sites would be:
A. not present in either lysate. B. protected in lysate A. C. protected in lysate B. D. equally protected in both lysates. E. not occupied in either lysate.
In the life cycle of vascular plants, a
gametophyte forms from a
a. zygote. b. sporophyte. c. gamete. d. spore. e. zygote and a gamete
When all vegetation is removed from a site by human activity or by natural forces such as volcanic activity, ________ species are the first to recolonize the site
Fill in the blank(s) with correct word