Vibrio vulnificus causes septicemia that is self-limiting and rarely fatal
Indicate whether the statement is true or false
FALSE
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You wish to determine if cytosolic calcium fluxes are associated with signal transduction in a particular cell type. One means of observing the calcium fluxes would be to utilize
A) caspases. B) cytochrome c. C) nitric oxide. D) radioactive cAMP. E) cameleons.
The type of DNA repair that fixes mistakes in nucleotide incorporation is known as ________ repair.
Fill in the blank(s) with the appropriate word(s).
The addition of excess phosphorus causes lakes to become eutrophic because the nutrients trigger blooms of
photosynthetic cyanobacteria. Why do these blooms cause low oxygen levels in lakes?
a. Cyanobacteria use up more oxygen than they produce. b. Excess phosphorus binds to dissolved oxygen in the water. c. Cyanobacteria are net producers of oxygen while alive, but when they die aerobic bacteria use oxygen while decomposing them. d. Cyanobacterial blooms only occur in waters naturally low in oxygen. e. Cyanobacteria are aerobic heterotrophs, consuming oxygen and producing carbon dioxide.
A central vacuole
a. is found only in plant cells. b. may take up between 50% and 90% of the cell's interior. c. regulates water balance. d. is all of the above.