Probiotic bacteria on the surface of the skin: are harmful for the body.

are helpful for the body.

prevent an immune response.

promote keratin formation.

Will give brainliest

Can you get chlamydia from sleeping in the same bed

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly.c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus.d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.

Which statement describes the u.s organ donation system? a. about 200 lives are saved per year b. transplant recipients must pay for organs c. the waiting lists for organs are very long d. it is mandatory