SB4b Antibiotic resistance

Question 1

what do alleles code for?

Answer 1

different characteristics

Question 2

antibiotics?

Answer 2

drugs that kill bacteria

Question 3

how do bacteria become resistant to antibiotic?

Answer 3

~some bacteria have an allele for antibiotic resistance and take longer to be killed
~antibiotics kill those without allele
~the resistant bacteria reproduce passing on this allele causing antibiotics to be no longer effective

Question 4

do antibiotics affect viruses?

Answer 4

no

Question 5

why is every dose / tablet need to be taken to kill bacteria?

Answer 5

even when you feel better a resistant bacteria may be left which will reproduce causing the antibiotic to be ineffective later on