1. knee-jerk response
2. pupillary reflex
3. swallowing of food
4. peristalsis of the intestines
peristalsis of the intestines
1. Phenyl
2. Chloramine
3. Chlorine
4. Ozone
Phenyl
1. acetylcholine
2. norepinephrine
3. dopamine
4. GABA
dopamine
1. can induce root nodules on many plant species
2. can fix nitrogen in the free-living state
3. like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host's cortex
4. forms specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids
can fix nitrogen in the free-living state
1. pelvic girdle of mammals
2. skull of frog
3. pectoral girdle of mammals
4. sperm of mammals
pectoral girdle of mammals
1. nucellus or integuments
2. synergids or antipodals in an embryo sac
3. accessory embryo sacs in the ovule
4. zygote
nucellus or integuments
1. Egg cell
2. Central cell
3. Persistant synergid
4. Degenerated synergid
Degenerated synergid
1. pinocytic vesicles
2. phagocytic vesicles
3. zymogen granules
4. micro-villi
micro-villi
1. kwashiorkor
2. rickets
3. anaemia
4. scurvy
kwashiorkor
1. Savanna — Acacia trees
2. Prairie — epiphytes
3. Tundra — permafrost
4. Coniferous forest — evergreen trees
Prairie — epiphytes