Biology
It is the basic structure found in all membranes such as those of mitochonchondria and chloroplasts.

Plasma membrane
Nuclear membrane
Unit membrane
Cell wall

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Biology
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?

You need an antiseptic, not an antibiotic
You need to be vaccinated instead of taking an antibiotic
Having waited a day, it is too late to take an antibiotic
You are infected by a virus

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