Which motion of particles across a membrane requires enegry? a. from high concentration to low concentration

b. from low concentration to high concentration

c. with no concentration gradient

d. through dynamic equilibrium

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000