Bio 210 test 2 Questions with Correct Answers

Bio 210 test 2 Questions with Correct Answers Receptors for lipophobic messengers are typically located where in the cell? - Answer-Plasma membrane Which of the following are proteins on a target cell that specifically recognize and bind only one messenger or a class of messengers? - Answer-Receptors Chemical messengers derived from cholesterol fall under which category? - Answer-Steroid messengers Which of the following chemical messengers is characteristically released from an endocrine gland? - Answer-Hormone Hormones can be transported in blood in dissolved form or bound to - Answer-Carrier proteins What type of hormones bind to receptors located on the cell membrane? - Answer-Water soluble hormones, such as insulin and epinephrine Which intracellular substance degrades cAMP, thus inactivating the response to a hormone? - Answer-Phosphodiesterase