Varieties of staphylococcus aureus that are resistant to the drug methicillin see concept 22.3 (page 475) view available hint(s) varieties of staphylococcus aureus that are resistant to the drug methicillin see concept 22.3 (page 475) developed in response to the use of methicillin already existed in the population before methicillin was developed always have an advantage in every environment were strongly selected for as methicillin became widely used to treat bacterial infections the second and fourth answers are correct. submit

Varieties of staphylococcus aureus that are resistant to the drug methicillin already existed in the population before methicillin was developed. They were strongly selected for as methicillin became widely used to treat bacterial infections.  The bacteria is resistant to the antibiotic methicillin and other drugs in the same class. Staph infections may be treated with oral, topical, or intravenous antibiotics, depending upon the type of infection. 

Atp is is our little "pocket" of energy. of course, if you have too little, then it means you have too little energy, and you'll pass out. the way to not have enough, is to have no energy sources (glucose, fats, proteins). you can't have too many atp molecules. cycles like the krebs cycle produce it, but if you have too much of any substrate (or too little for that matter), the cycle stops and atp is no longer made (it stops until substrate levels are such that the process can go on). in any case, this is unlikely since atp is constantly hydrolyzed and remade, even while you're asleep. you won't have too much. if you have zero, you are dead or dying.

We are not able to see the stars. light prevents our seeing the stars. i hope it kinda : )