Would you expect to find chloroplasts in cells of the part of an onion plant that is growing underground?  Why or why not?  What is the function of the chloroplast?

Explain why it is useful for the pancreas cells that secrete digestive enzymes to have lots of rough endoplasmic reticulum and Golgi apparatus.  Be sure to describe the function of those organelles.

State the four major types of biological molecules that make up the cell membrane.  Describe a function of each in the cell membrane. (4 points)

Based on its location on the periodic table, barium (Ba), has what ion charge?

Calcium phosphate is the primary ingredient in calcium supplements.   The formula is Ca3(PO4)2.  The charge of the cation and anion are:

The formula for calcium oxide is:

The formula for copper (I) sulfate:

Sodium nitrite is used to cure meats.  The formula for sodium nitrite is:

Organisms that use CO2  as carbon source are called ________.

Find the slope and the y-intercept of the line.7x + 9y =62