I don't have the story please put it in the comments so I can read it :)
Answer:
Its B, and D
Explanation:
Bc thats what it told me the answer is after I guessed it wrong.
Answer: adenylyl cyclase inositol triphosphate mainly known as IP3 causes the release of Calcium ions directly from the inracellular stores and causea contraction.
Explanation:
IP3, inositol phosphate is a second messenger a signaling molecule. It is made by hydrolysis of phosphatidylinositol 4,5-bisphosphate (PIP2), a phospholipid that is located in the plasma membrane, by an enzyme phospholipase C.
IP3 binds to the calcium channels and opens Ca2+ channels that are embedded in the ER membrane, releasing Ca2+ into the cytosol. Calcium ions released may cause contraction and regulate the Ca2+ channels in the membranes.
Sucrose is made up of simple glucose and<span> fructose molecules. </span>
Alexandria, I believe. I hope this is helpful and brainliest would be nice ;)
