All EXCEPT which of the following may be
pathogens today?
a. viruses
b. bacteria
c. fungi
d. smallpox
e. protozoans
Answer: d
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Which of the following generally causes stomata to open?
a. release of abscisic acid by the roots b. a drop in CO2 concentration in leaf air spaces c. exposure to red light d. a drop in O2 concentration in leaf air spaces e. an increase in CO2 concentration in the leaf air spaces
A cell membrane is a lipid _________ because the phospholipids line up in TWO ROWS to try and keep their ______________ tails away from water.
Fill in the blank(s) with the appropriate word(s).
The science and study of the causes of disease and their mode of operation is referred to as ___
a. etiology b. disease progression c. bioinformatics d. observation
Consider a redox reaction between molecules A and B. Molecule A has a redox potential of –100 mV and molecule B has a redox potential of +100 mV
For the transfer of electrons from A to B, is the ?G° positive or negative or zero? Under what conditions will the reverse reaction, transfer of electrons from B to A, occur?