how organisms respond to pathogens

Question 1

disease

Answer 1

any harmful deviation from the normal structural/functional state of an organism

Question 2

pathogen

Answer 2

anything that can cause a disease

Question 3

cellular pathogens

Answer 3

caused by living things

bacteria, fungi

Question 4

non-cellular pathogens

Answer 4

non living

viruses, prions

Question 5

difference between cellular and non-cellular pathogen structure + reproduction

Answer 5

viruses and prions use the host to replicate

the cell membrane can self-replicate with sufficient resources

Question 6

microbiota barriers

Answer 6

prevent growth/colonisation of microorganisms that could be pathogenic

Question 7

chemical barriers

Answer 7

inhibit grwoth and or/destroy pathogens

Question 8

physical barriers

Answer 8

prevent pathogens entry

Question 9

physical barriers in animal

Answer 9

intact skin

Question 10

chemical barriers in animal

Answer 10

low PH in vagina

Question 11

microbiota barriers in animal

Answer 11

presence of bacteria on the skin

Question 12

physical barrier in plant

Answer 12

thick bark

Question 13

chemical barrier in plant

Answer 13

phenols- secreted by wounded plants

Question 14

characteristics of innate (non-specific) immune response

Answer 14

no memory of previous antigens

quick response

same response no matter what pathogen