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8/22 cell biology

Lecture 1: chapter 1 USDFall2018 Dr. Karen Koster

QuestionAnswer
Which is larger virus or bacterium? bacterium
What is the size of a virus? 100nm
What is the size of a bacterium? 1micrometer
What is the size of an animal cell? 10 micrometers
What is the size of a plant cell? 100 micrometers
What is the size of a water molecule? .126 nm
What is the average size of a eukaryotic cell? 20 micrometers in diameter
What is the diameter of a DNA helix? 2nm
What is the length of a phospholipid? 3nm
What is the diameter of a microfilament? 7nm
What is the diameter of a ribosome? 25nm
What is the diameter of a mitochondira? 0.5 micrometers
What is the diameter of a cell nucleus? 6 micrometers
What is the average membrane thickness? 7.5nm
Created by: kenzigustafson