How are chloroplasts in plant cells and mitochondrion in animal cells similar? *
A. Both are the energy factories.
B. Both are used for storage of nutrients.
C. Both are the control centers of the cell.
D. Both are transporters of waste materials

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How are agricultural practices used today

When muscles contract, they become .

2.) insulin is needed to your cells take in sugar from your blood. after you eat a candy bar, will your insulin gene be expressed or repressed? 3.) all cells have the same dna, and they all make the same proteins. true or false? the answers are 2.) expressed3.) false