Can someone give me an honest answer for this chemistry quiz

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.