Single Sign- X Quiz Online Homework e.instructure.com/courses/10861/quizzes/4091
ID: 191139 • Letter: S
Question
Single Sign- X Quiz Online Homework e.instructure.com/courses/10861/quizzes/40915/take Intracellular signal molecules I Choose l Signal molecules that enter the cell and f Choose bind to intracellular receptors Receptors that have a channel that opens or closes in response to ligand binding choose ] Ligand binding to this receptor type[ Choose 1 opens an ion channel or alters enzyme activity, such as phospholipase C Ligand binding to the extracelular Choosc l portion of this receptor activates an intracellular enzyme region of the receptor Ligand binding alters enzymes or the[Choose l cytoskcleton Molccules that bind to receptors and block the response [Choose]Explanation / Answer
Answer=
Intracellular signal molecules
are the signal molecules that enter the cell and bind to intracellular receptor.
explaination-signals bind cell surface receptors expressed on plasma membranes of target cells or diffuse through the plasma membrane to bind intracellular receptors.binding induces a conformational changes in receptors to initiate intracellular signalling.
cAMP,ca2+