Chapter 1 Antibiotics and Resistance

Question 1

MRSA

Answer 1

Methicillin Resistant Staphylococcus Aureus

Question 2

3 areas of science the MOL intersect

Answer 2

Bio, chem, medicine

Question 3

What is science (2 answers)

Answer 3

1. Collection of knowledge

2. A process –> systematic method of investigating

Question 4

2 methods by which ethonol antiseptics kill bacteria

Answer 4

1. dissolves the cell membrane which destroys the structure of the cell
2. denatures the proteins inside the cell which kills the cell

Question 5

Limitation to antiseptics

Answer 5

can only be used topiccally, not internally

can be used to prevent not to treat infection

Question 6

differenaces btwn antiseptics and antibiotics

Answer 6

antiseptics- high concentration of active ingredient, can not be used inside the body, does not specfically target bacteria
antibiotic- low conc, inside bod (injection or pill), specfically targets bacteria

Question 7

antibiotic

Answer 7

a drug that kills or INHIBITS/slows batericas GROWTH

Question 8

flemming, howard florey, earnest chain

Answer 8

discovery of penniciln

Question 9

how did Dorthy Hodgkin determine the molucular shape of penicilllin

Answer 9

x ray crystallography- bombarding crystals of penicillin w x rays

Question 10

How does penicillin work

Answer 10

binds to the enzyme that catlyzes the reaction that makes the bacterias cell wall and prevents that enyme from doing that task

Question 11

explain genetic mutation and why certain strains of bacteria are able to survive and reproduce in the preceance of antibiotics. what is the name of this process

Answer 11

evolution by natural selection

Question 12

y is the development of new antibiotics not appealing to pharmaceutical companies

Answer 12

1. ppl only use for a week (not so cost effective)

2. becomes obsolete real quick bc of resistance