topic 3- organic

Question 1

When infrared radiation is absorbed…

Answer 1

bonds within the molecules bend and stretch

Question 2

The wavelength absorbed depends on the…

Answer 2

atoms involved in the bond and the strength of the bond

Question 3

What formula can be used to calculate the wave number?

Answer 3

1/wavelength

Question 4

Most drugs work by…

Answer 4

binding to specific proteins

Question 5

Receptors are proteins that are

Answer 5

on the surface of cells that interact with small biologically active molecules

Question 6

Enzymes are proteins that

Answer 6

catalyse chemical reactions

Question 7

agonists are

Answer 7

drugs that mimic the body’s action to natural active compounds

Question 8

antagonists are

Answer 8

drugs that block the body’s action to naturally active compounds

Question 9

Many drugs that act on enzymes are classified as enzyme…

Answer 9

Inhibitors which act by binding to the active site of the enzyme, blocking the reaction normally catalysed there.