Ask a question and I will answer it!!!....what is endoplasmic reticulu

1.	Ask a question and I will answer it!!!....what is endoplasmic reticulum?
Answer» ✧═════════════•❁❀❁•══════════════✧ $\huge\color{Pink}\boxed{\colorbox{Black}{❥Mysteryboy01}}$ ✧═════════════•❁❀❁•══════════════✧ $\huge\color{lime}\boxed{\colorbox{black}{⭐God Bless U⭐}}$ $\huge\star\underline{\mathtt\orange{❥Good} \mathfrak\blue{Mo }\mathfrak\blue{r} \mathbb\purple{ n}\mathtt\orange{in} \mathbb\pink{g}}\star\:$ $\huge\star\huge{ \pink{\bold {\underline {\underline {\red {Great Day }}}}}} \star$ $\huge\blue\bigstar\pink{Be Safe Always }$ $\huge\fbox \red{✔Que} {\colorbox{crimson}{est}}\fbox\red{ion✔}$ The Question is Give below $\huge\color{Red}\boxed{\colorbox{black}{♡Answer ♡}}$ Tell me 1 , 7 and 9 in Detail Endoplasmic reticulum is a network of membranes inside a cell through which PROTEINS and other molecules move. $\huge\color{cyan}\boxed{\colorbox{black}{Cute boy❤}}$ $\huge\color{cyan}\boxed{\colorbox{black}{Mark as Brainlist ❤}}$