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EurekaScience.com pages contain a great deal of information about cells and cell biology for classroom and homeschool teachers, parents, and students of all ages.  This page is designed to serve as a hub in all of the information to direct you to your area of specific interest.

webpage: bacteria cells
webpage: bacteria cells for parents & teachers
Prokaryotes, or bacteria, are more simple in structure than their eukaryotic brethren.  But, they perform all of the same basic functions of any other cell type.  Bacteria are located all over the world in a google of environments - soil, water, and even inside your intestines.  They are in ecological balance with all life on earth.  An ecologically essential function of some types of bacteria is to 'fix nitrogen', meaning, to take nitrogen gas from the atmosphere and covalently bond it to another molecule.  These are the ONLY life forms on earth which can accomplish this feat.  All of the rest of life uses the fixed nitrogen they make to synthesize all sorts of things, from proteins to vitamins.

webpage: animal cells - page 1
webpage: animal cells - page 2
webpage: animal cells for parents & teachers
Animal cells are eukaryotes with organelles.  To make an animal, it takes many many different types of cells with different types of functions.  These cells have the same DNA and genetic makeup - but they do differ in the number of certain organelles or proteins that allows the different cell functions to emerge.  To illustrate these types of differences we look at heart cells and white blood cells.

webpage: plant cells - page 1
webpage: plant cells - page 2
webpage: animal cells for parents & teachers
Plant cells, too, are eukaryotes with organelles.  And like animals, plants have many cell types that each perform different functions - like root cells and leaf cells.  Leaf cells can absorb sunlight and convert the light energy to into bonds that link molecules of carbon dioxide gas to make sugar.  The ecological connection with animals is essential for animals.  Animals eat the plants and use the sugar for energy to run all of their cell functions.  Also, plants take in carbon dioxide from the atmosphere and put oxygen back into atmosphere.  Animals do just the opposite - breath in oxygen and breath out carbon dioxide.

webpage: Ask Dr. Pat
webpage: Ask Dr. Pat topics
Check out the questions that students, parents, teachers and life-long learners have sent into Dr. Pat regarding cells and the answers.  You'll find things like: what is the difference between animal and plant cells and cell model ideas.

webpage: Science in the News
These pages are constantly being updated with the latest breakthroughs and discoveries in biology, medicine, archaeology, astronomy, marine biology or about endangered species or our planet earth.  This can be useful information for term papers, lesson plans, or to simply keep up on the fascinating world around us.

 

learn more ! google:
bacteria
cell biology
plant cells
animal cells
cell models
- don't forget to google images, too

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