non specific responses to infection 0.0 / 5 ? BiologyBiological molecules, organic chemistry and biochemistryA2/A-levelEdexcel Created by: francesca_321Created on: 01-01-16 14:07 Where are lyzozymes found? tears and nasal secretions 1 of 10 What do lysozymes do to bacteria? breaks down bacterial cell wall 2 of 10 When does inflammation occur? damaged mast cells release histamine 3 of 10 What do the histamines cause? vasodilatin of the arterioles nearby so more blood flows to area of infection 4 of 10 What does it cause? increased permeability of capillaries so more tissue fluid forced out 5 of 10 How do phagocytes work in non specific immunity? recognise antigens on surface of pathogens as foreign, they then engulf pathogens, lysosomes digest pathogens 6 of 10 What is an interferon? Cells infected with virus secrete a protein called interferon, 7 of 10 what do they attach to? membranes of surrounding cells 8 of 10 What does this trigger? cells to make their own antiviral proteins which inhibit synthesis of viral proteins 9 of 10 What does it also stimulate? virus infected cells to self destruct 10 of 10
Comments
No comments have yet been made