A cell from the heart muscle must continually use energy to contract which causes the heart to beat. Muscle cells in the heart would have an unusually high proportion of: A) Lysosomes
B) Mitochondria
C) DNA
D) Golgi bodies

The molar mass of a substance is defined as the mass of 1 mol of that substance, expressed in grams per mole, and is equal to the mass of 6.022 × 10 23 atoms, molecules, or formula units of that substance.

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What's the answer to this question is how do you know

Idk. but i think it is. u, oh yea idfk