Archaeons power their flagella by proton motive force (PMF), whereas bacteria empower their flagella by ATP hydrolysis.
Answer the following statement true (T) or false (F)
False
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In the absence of a nerve connection or electrical stimulation, can a muscle cell be made to contract in
a laboratory setting? What will be an ideal response?
The membrane potential (resting potential) is largely set by the Na-K-ATpase pump.
a. true b. false
Glucose molecules provide energy to power the swimming motion of sperm. In this example, the sperm are changing
A) chemical energy into kinetic energy. B) chemical energy into potential energy. C) kinetic energy into potential energy. D) kinetic energy into thermal energy.
Which of the following are not used by protists for protection against predators?
A. flashing lights B. protective coverings that are hard, tough, or slimy C. sharp projectiles D. shooting acids E. toxins