Question 9 of 20 : select the best answer for the question.9. which of the following is an example of a want versus a need? wsho a. sheltero b. cable tvo c. insuranceo d. foodarabmark for review (will be highlighted on the review page)< < previous questionnext question > >

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.

answer; increases;