A_ is an organism whose cells contain complex, membrane-bound structures called organelles

eukaryote

eukaryote is an organism whose cells contain complex, membrane-bond structures called organelles.

Explanation:

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1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics