General Biology

“Dear students please answer the following questions:
1.- If you are using a light microscope with an objective lens of 10 X and its ocular lens is 10 X, what is the total magnification of the image?
2.- What is the function of the revolving nosepiece?   
3.- What is the difference between the condenser and the iris diaphragm?
4.- What is the difference between the coarse focus adjustment and fine adjustment knob?
5.- What is the dark field microscope? 
6- Define Organic Compounds.
7-Name the most common Organic Compounds.
8-The smallest unit that can carry out all activities associated with life is known as___________________
9- Who was Robert Hooke.
10- Who was Antonie van Leeuwenhoek.
11- Define a Light Microscopes.
12-Define a Electron Microscopes.
13• Name Five different optical systems help biologists study living cells.
14-•Eukaryotic cells are characterized by highly organized and specialized membrane-enclosed organelles. Name the organelles that Eukaryotic Cells have.
15.What is a Prokaryotic Cell?”