Completar frases Fill in the Blanks: Parts of a CellVersión en línea Test your knowledge of the parts of a cell by filling in the blanks with the correct terms. por Dayra Novella Álamos 1 nucleus genetic cell The is the control center of the and houses all of the cell ? s information . 2 Ribosomes genetic proteins produce by assembling amino acid sequences according to the instructions contained in the code . 3 biochemical mitochondria energy Cells need energy to power their reactions , and most of that is released by . 4 transport cell membranes process The endoplasmic reticulum is a network of inside a , and its main functions are to and new materials . 5 Lysosomes cel recycle function is to break down and unwanted material for the 6 cytoplasm protects organelles water The are mainly composed of . It surrounds and the of the cell . 7 external membrane cell separates The cell controls which substances enter and leave the , and also the interior of the cell from its environment .