A typical leaf is composed of multiple layers of specialized cells. What is the correct order of layers starting on the upper surface of the leaf and progressing to the lower surface?
A. epidermis - cuticle - epidermis - palisade mesophyll - epidermis - spongy mesophyll
B. cuticle - epidermis - palisade mesophyll - spongy mesophyll- epidermis - cuticle
C. cuticle - epidermis - palisade mesophyll - epidermis - spongy mesophyll - cuticle
D. palisade mesophyll - cuticle - epidermis - epidermis - spongy mesophyll - cuticle
Answer: B
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A. sarcomere. B. myofibril. C. muscle fiber. D. thick filament. E. Z disc.
The main products of photosynthesis are:
A. glucose and oxygen B. glucose and carbon dioxide C. carbon dioxide and water D. ATP and oxygen E. water and oxygen
One application of auxins is used in the production of
A. fruit overgrowth. B. fruit size increase. C. fruit lacking seeds. D. fruit ripening. E. None of the answers are correct.
A/an ________ allows visual inspection of the ear canal and eardrum.
A) Tympanogram B) Tympanometer C) Otoscope D) Audiometer