Why would a muscle cell have many mitocondria?

Proteins differ from one another because __________________.

What is global climate change? Why is climate change a problem for the planet? What role should people and/or the government play regarding global climate change?

The electron transport chain is located in the _______________________.

Which of the following steps does not require oxygen to occur?

Can two brunette parents have a blond child? Explain you answer using the proper genetic terminology. 

The process of cell division that produces two daughter cells that are genetically identical to the parent cell is called _______________________.

What is the role of the mitochondria? What would happen if the mitochondria were defective and not functioning in the cell?

Describe the cell cycle and specifically the role of mitosis.

______________________  cells are normal, non-sex cells, that have two of every chromosome.