Wednesday, October 24, 2012

DNA



Isn't it amazing to think this is ACTUALLY happening in your body RIGHT NOW??  This video shows DNA Replication (which you MUST know) and transcription (you do NOT need to know this for the quiz Friday).


Thursday, October 11, 2012

Mitosis

I. P. M. A. T. 

Interphase
Prophase
Metaphase
Anaphase
Telophase

Helpful videos!
http://www.youtube.com/watch?v=C6hn3sA0ip0&feature=related



Tuesday, October 9, 2012

Cell Size Lab

Why are cells so small?  Well, we discussed this in class today.  It has to do with the surface area-to-volume ratio.  Small cells have a larger surface area-to-volume ratio than larger cells as we  saw with our cubes that represented.  If you are still having some problems with this, try watching this video.  This guy is one of my favorites!  Watch this video for help!




Wednesday, October 3, 2012

The Cell Membrane

Important MUST KNOW terms on the cell membrane:


  • Diffusion
  • Osmosis
  • Semipermeable Membrane
  • Passive Transport
  • Active Transport
Passive Transport:

  

Active Transport: