Bio 110 exam 2 for final all questions with correct answers

Bio 110 exam 2 for final all questions with correct answers Animal cells that had been growing in an incubator at 37 C are suddenly cooled to 20 C. Which of the following is most likely to happen? - ANSWER-Initially, the membrane of the cells become less fluid. In response to being cooled, how will the cells likely respond? - ANSWER-By generating membrane phospholipids with shorter fatty acid chains. In response to being cooled how will the cells likely respond? - ANSWER-By generating membrane phospholipids with fatty acid chains that have more C=C double bonds What do simple diffusion and facilitated diffusion have in common? - ANSWER-Neither requires the expenditure of cellular energy Which of the following are true of osmosis? - ANSWER-Osmosis is a subdivision of diffusion that refers to the movement of water. When the blood-brain barrier is breached, which method of transport out of brain capillaries and into brain tissue becomes available to substances? - ANSWER-Moving through the small pores between capillary wall cells. In active transport, if a carrier protein is a uniporter it will. - ANSWER-Transport one molecular species in one direction In active transport, if a carrier protein is an antiporter it will - ANSWER-Transport two molecular species in different directions at the same time Where precisely are ribosomes assembled in eukaryotic cells? - ANSWER-The nucleolus What best describes the nature of the nuclear membrane? - ANSWER-A double phospholipid bilayer