Which of the following statements is true of facilitated diffusion?
A) It requires energy to facilitate the successful movement of substances across cell membranes.
B) It is one of the three types of active transport mechanisms.
C) It enables the movement of a substance from a region of lower concentration to a region of higher concentration.
D) It is the movement of a substance with the assistance of a carrier molecule.
D
You might also like to view...
Due to her history of urinary tract infections, Jasmine most likely has _____
a. struvite stones b. cystine stones c. uric acid stones d. calcium oxalate stones
Describe the benefits of physical activity in the elderly
A person with lactose intolerance should be most careful to limit his or her intake of:
a. milk. b. yogurt. c. cheese. d. corn syrup.
Which of the following is a characteristic of low-birth-weight infants?
a. They show greater prevalence for liver fat infiltration b. They demonstrate catch-up growth within 3 months of birth c. They have an increased risk for insulin resistance if they were also born prematurely d. They have proportionately larger kidneys and greater risks for low blood pressure