What cellular components do some bacterial cells have that make them powerful pathogens? explain your answer. why are penicillins often more effective against gram-positive bacteria than gram-negative bacteria? why is it important to understand the structure of a bacterial cell when developing an antibiotic? how do antibiotics work without harming the surrounding human cells? what class of antibiotics would you prescribe for sue? explain your answer. why are antibiotics not effective against viruses? (think back to what you learned about viruses in pbs.)

auricle

explanation:

the flaps on the front of the atria are called the auricle.

answer:

owo

explanation:

explanation:

1)drink water

2)try concentrating on what u r doing to distract urself from the headache and manipulate ur brain

3)go to sleep.its an easier yet time consuming way

4) massage ur temple and head

answer:

thousands of years before the arrival of the british, australia was settled by the indigenous people of australia called the aborigines. this timeline begins when the europeans first arrived. 1606 - the first european to land at australia is dutch explorer captain willem janszoon.

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