___________ component of cell wall has grreat affinity with water?
___________ component of cell wall has grreat affinity with water?
A. Lignin
B. Cellulose
C. Pectin
D. All of these
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Ecdysone is_________________?
Ecdysone is_________________?
A. An enzyme that digest endocuticle during an arthropodal ecdysis
B. A newly formed exoskeleton in authropods
C. A hormone that regulates moulting in arthropods
D. A process that involves moultingHepatic and Pancreatic secretions are also stimulated by a hormone produced by the intestinal mucosa. The hormone is___________?
Hepatic and Pancreatic secretions are also stimulated by a hormone produced by the intestinal mucosa. The hormone is___________?
A. Creatin
B. Gastrin
C. Secretin
D. PepsinWhat happens during muscle contraction to the length of each myosin and action filament?
What happens during muscle contraction to the length of each myosin and action filament?
A. Z- lines get closer
B. A band becomes short
C. 1 band elongates
D. There is no change in sarcomereWhich excretory product in produced in plants during autotrophic mode of life?
Which excretory product in produced in plants during autotrophic mode of life?
A. CO2
B. H2O
C. O2
D. Both A and BPsedudocoelom is character of____________?
Psedudocoelom is character of____________?
A. Coelenterates
B. Platyhelminthes
C. Aschelminthes
D. Annelids_________ give rise to macrophages, which destroy larger particles by phagocytosis.
_________ give rise to macrophages, which destroy larger particles by phagocytosis.
A. Nautrophils
B. Basophila
C. Monocyte
D. Lymphocyte