pp 6

Question 1

nematode survival generally depends on what two things

Answer 1

abiotic and biotic factors

Question 2

weather, climate, and shelter are called what

Answer 2

abiotic

Question 3

food availability, predation/disease, competition, host defense are all called what

Answer 3

biotic factors

Question 4

low calorie does what to life spand

Answer 4

expands

Question 5

what temp causes higher longevity?

Answer 5

low

Question 6

reproduction does what to life span

Answer 6

decreases

Question 7

oxygen levels that allow higher longevity

Answer 7

low

Question 8

what is hypobioisis

Answer 8

lower metabolism

Question 9

what is ametabolism

Answer 9

no metabolism

Question 10

a form of dormancy where the organism possesses endogenous controls over the duration of the state.

Answer 10

diapause

Question 11

initiated by environmental factors becoming unfavorable or environmental factors serving as cues

Answer 11

faculataive

Question 12

pre programmed

Answer 12

obligaite

Question 13

a form of readily reversible dormancy in the presence of unfavorable environmental conditions.

Answer 13

quiescense

Question 14

high pheromone, low food factpr

Answer 14

J1 molts to dauer

Question 15

low pheromone, high food factor

Answer 15

J1 molts to j2 to j3. dauer molts to J4

Question 16

high pheromone, high food factor

Answer 16

keeps molting, tno daur

Question 17

what does anhydrobiosis mean and where can it be found?

Answer 17

life without water, quiescence

Question 18

bound=

Answer 18

vicinal

Question 19

lamellar phase with more than what persent of water. but when drop below you get what

Answer 19

20. hexagonal phase 2

Question 20

what does rehalose do?

Answer 20

protects proteins, maintains membrane fluidtiy, limits phase transitions within lipid bilayer, may replace vicinal water , inhibits free radical formation, mobilized into glucsoe upon hydration

Question 21

exclusion and removal are what response

Answer 21

innate immune

Question 22

humoral system and cellular system are what response are what

Answer 22

adaptive

Question 23

erthrocytes and megakaryocytes, are they a part of the immune blood cells

Answer 23

no

Question 24

skin, ilia, tears, secretions, enzyme, phagocytic cells are appart of which response

Answer 24

innate immune

Question 25

which response makes antibodies to remove products,

Answer 25

adatpive system

Question 26

specialized white blood cells made in bone marrow

Answer 26

B cells

Question 27

plasma cells do what

Answer 27

secretes large amounts of specific antibody

Question 28

loss of coding region for the constant part of heavy chain cause what three things to be produced?

Answer 28

igA, igE,igG

Question 29

what binds to mast cells? has to do with allergies, releases histamines, may be used against parasites

Answer 29

igE

Question 30

whats allows body ability to recognize self and non self

Answer 30

gene products form MHC genes

Question 31

T cells mature where

Answer 31

in the thymus

Question 32

co receptor ____ is produced and displayed for dangerous pathogens

Answer 32

B7

Question 33

helper T cells called what

Answer 33

cd4

Question 34

SERIES OF GENES THAT CODE FOR CELL SURFACE PROTEINS CONTROLLING THE ADAPTIEVE IMMUNE RESPONSE

Answer 34

MHC COMPLEX

Question 35

WHAT PRESENTS FRAGMERNS OF ANTIGEN ON CELL SURFACE TO T CELLS WHICH CAN ONLY RECOGNIZE THE ANTIGENS WHEN IN COMPLEC WITH mMHC PROTEINS

Answer 35

MHC

Question 36

WHAT SYSTEM IS USED FOR PATHOGENS THAT ESCAPE ANTIBODY DETECTIO BY HIDING IN CELLS

Answer 36

CELLULAR

Question 37

HOW TO T CELLS REGULATE OTHER CELLS OF THE IMMUNE SYSTEM

Answer 37

THROUGH SECRETION OF CYTOKINES