Which of these statements describes some aspect of facilitated diffusion?
facilitated diffusion is another name for osmosis.
facilitated diffusion of solutes occurs through phospholipid pores in the membrane.
facilitated diffusion requires energy to drive a concentration gradient.
facilitated diffusion of solutes may occur through protein pores in the membrane.
there is only one kind of protein pore for facilitated diffusion.

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean