In the cell,complex sugars are made from simple sugars by

Find out the false statement.

What is the significance of
$(a)$ presence of cell sap in vacuoles?
$(b)$ presence of $SER$ in liver cells?
$(c)$ presence of ribosomes on $RER$?

What is the role of smooth endoplasmic reticulum in the liver cells of vertebrate animals?

Which of these options are not a function of Ribosomes?
$(i)$ It helps in manufacture of protein molecules
$(ii)$ It helps in manufacture of enzymes
$(iii)$ It helps in manufacture of hormones
$(iv)$ It helps in manufacture of starch molecules

State whether the following statement is true or false:
Mitochondria have three membrane coverings.