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What's the waste product of electrons and pyruvate combining in fermentation?  

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow