Answer:
During a chemical change, the composition of matter always changes. Four possible clues to chemical change include a transfer of energy, a change in color, the production of a gas, or the formation of a precipitate.
Explanation:
An enzyme works like a key to a lock. If it finds the right thing it can work.
Hope it helps.
You find the mRNA code complementary to the strand of DNA .
A T G G C T C A A G C T I'm pretty sure
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The answer is muscle tissue
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I am very sorry if this incorrect