POB EXAM 2 SHADWICK EXAMPREP STUDY GUIDE QUESTIONS AND CORRECT ANSWERS COMPLETE REVIEW MATERIAL

POB EXAM 2 SHADWICK EXAMPREP
STUDY GUIDE QUESTIONS AND CORRECT
ANSWERS COMPLETE REVIEW MATERIAL

●● the cell theory
Answer: 1. basic unit of life
2. all living things are composed of cells
3. all cells evolved from pre-existing cells


●● compound microscope
Answer: light shines through the specimen


●● dissecting (stereo) microscope
Answer: lights comes from the top, allowing you to view the object in
3D


●● transmission electron microscope
Answer: electrons pass through the specimen


●● scanning electron microscope
Answer: electrons scan the surface allowing you to see surface details
and structure

, ●● magnification
Answer: how close up you are viewing the object


●● resolution
Answer: clarity of the magnified image


●● phospholipid bilayer
Answer: two layers of phospholipids with hydrophilic heads and
hydrophobic tails


●● cytoplasm
Answer: jelly-like fluid within the cell where chemical reactions occur


●● ribosomes
Answer: protein synthesis


●● nucleoid
Answer: stores the genetic material of a bacteria cell


●● flagella
Answer: whip-like tails that assist with movement of the cell