Micro test 3

Question 1

What does “symbiosis” mean

Answer 1

to live together

Question 2

symbiotic relationship

Answer 2

the relationship between microorganisms and their hosts

Question 3

3 types of symbiotic relationship

Answer 3

• mutualism
• commensalism
• parasitism

Question 4

two types of normal microbiota

Answer 4

• resident microbiota

- transient microbiota

Question 5

Resident Microbiota

Answer 5

-part of the normal microbiota throughout life and are commensal

Question 6

Transient Microbiota

Answer 6

• Remain in the body for only a few hours to months

- found in same region as resident microbiota

Question 7

Reasons why Transient Microbiota cant persist in the body

Answer 7

• competition from other microorganisms
• elimination by the body’s defense cells
• chemical or physical changes in the body

Question 8

Facts on acquisition of Normal Microbiota

Answer 8

• development in womb is generally free of microorganism
• microbiota begins to develop during birthing process
• Much of ones resident microbiota established during the first months of life

Question 9

opportunistic pathogens

Answer 9

normal microbiota that can case disease under certain circumstance

Question 10

conditions that provide opportunities for pathogens

Answer 10

• immune suppression
• changes in the normal microbiota
• introduction of normal microbiota into unusual site in the body

Question 11

Adhesion

Answer 11

process by which microorganism attach themselves to cells

Question 12

adhesion factors

Answer 12

• specialized structures

- attachment proteins

Question 13

where attachment proteins are found

Answer 13

viruses and many bacteria (adhesins)

Question 14

attachment protein facts

Answer 14

• surface lipoproteins or glycoproteins called ligands that bind host cell receptors
• interaction of ligand with host