topic 4 contd

Question 1

phase 1 modern CT

Answer 1

small group
healthy volunteers
side effects/ reactions

Question 2

phase 2 modern CT

Answer 2

larger group
patients
efficacy
dosage

Question 3

phase 3 modern CT

Answer 3

comparing drug to existing drugs
two groups
one new drug one old drug

Question 4

step drug testing (B4 CT)

Answer 4

modelling potential effects of drug using computers
test on tissues
test on animals
move to CT

Question 5

placebos

Answer 5

usually in phase 2 CT
double blind trials
efficacy of drug

Question 6

conditions for bacterial growth

Answer 6

nutrients
oxygen (for those which respire aerobically)
optimal temp and pH

Question 7

sustainability

Answer 7

using resources to meet requirements of current generation without depleting resources for future generations

Question 8

sustainable practices

Answer 8

minimise damage done to environment/ resources to ensure there will be some left for next generation

Question 9

starch sustainability

Answer 9

excess sugar stores
used to make bioplastics
requires less fossil fuels to produce
plants can be replanted (renewable)
used to make bioethanol- fuel

Question 10

granum

Answer 10

formed from many layers of thylakoid membranes
increase SA
thylakoid membranes contain chlorophyll to absorb light
electron carrier molecules in thylakoid membrane involved in ATP production