Unit 2 Exam Study Guide
Disclaimer: For the exam you need to know what we covered in class and what
is on the PowerPoint presentations. This is meant as a GUIDE only!
Chapter 4
Know 3 parts of cell theory
Understand surface to volume ratio as it relates to cells
Know structural similarities and differences between eukaryotic and prokaryotic cells
Know cell structures and their function including
o cytoplasm
o ribosomes
o rough endoplasmic reticulum
o smooth endoplasmic reticulum
o Golgi apparatus
o lysosomes
o vacuoles
o mitochondria
o chloroplasts
o nucleoid
o nucleus
o nucleolus
o cytoskeleton (3 types)
o centrioles
o cell wall
o extracellular matrix
Understand endosymbiosis and involved organelles
Understand cell movement via “crawling”, cilia, flagella
Understand 3 types of cell junctions
Chapter 5
Understand purpose and composition of cell membranes
Understand the concept of the “fluid mosaic model”
Know basic structure of phospholipids
Know various functions for membrane proteins (transporters, enzymes, etc.)
Understand what a concentration gradient is and how it affects membrane transport
Fully understand transport across cell membranes, including
o passive transport
o simple diffusion
o facilitated diffusion
o osmosis (including hypertonic, hypotonic and isotonic)
o active transport
o bulk transport