Chapter 3 — Cells

Which of the following is a major principle upon which cell theory is based?

• All cells form by free-cell formation.

• All cells have DNA.

• All organisms are made of cells.

• All cells are eukaryotic.

Identify the type of cell shown

• Prokaryotic

• Eukaryotic

• Bacterial

• Onion

Which organelle is the storehouse for most of a cell’s genetic information?

• Mitochondrion

• Chloroplast

• Centriole

• Nucleus

Which phrase best describes rough ER?

• Studded with ribosomes

• Protected by vesicles

• Connected to the Golgi apparatus

• Stored in the central vacuole

Which organelles supply energy to the cell?

• Ribosomes

• Centrosomes

• Mitochondria

• Vacuoles

Which organelles contain enzymes that break down old cell parts?

• Centrosomes

• Lysosomes

• Vacuoles

• Chloroplasts

Which organelles are unique to plant cells?

• Ribosomes

• Vacuoles

• Chloroplasts

• Centrosomes

Which process occurs inside the chloroplasts?

• Detoxification

• Ribosome assembly

• Photosynthesis

• Protein synthesis

Which type of receptor is shown?

• Cytoplasmic

• Membrane

• Extracellular

• Intracellular

A protein that detects a signal molecule and performs an action in response is called what?

• Receptor

• Ligand

• Vesicle

• Proton