The movement of molecules across a cell membrane via a transport protein in which no energy is required is called ________ diffusion, and the movement of molecules across a cell membrane via a protein in which energy (i.e , ATP) is required is called ________ transport.
Fill in the blank(s) with correct word
facilitated; active
You might also like to view...
What cannot be determined from examining age pyramids of human populations?
A) the future population size B) the age structure of the population C) the success of future generations D) the fecundity of a future population
The enzyme that directly converts NADP+ to NADPH is
A. NADP reductase. B. cytochrome complex. C. RUBISCO. D. plastocyanin. E. ferredoxin.
In an approach called ________ taxonomy, relatedness is determined by a wide range of phenotypic and genotypic information.
Fill in the blank(s) with the appropriate word(s).
Of the following, which group exhibits a diverse morphology, forming unicells, filaments, and sheets?
a. green algae b. brown algae c. euglenoids d. dinoflagellates e. diatoms