What are vascular bundles that are strengthened with sclerenchyma fibers called in leaves?
a. veins
b. vessels
c. xylem
d. phloem
e. sclerenchyma
a
Biology & Microbiology
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Explain how the field of human biochemical genetics had its beginnings partly through the persistence of a young
mother. What will be an ideal response?
Biology & Microbiology
Lichens are most typically formed by the symbiotic association of an alga or cyanobacterium and:a
an ascomycete. b. a glomeromycete. c. a basidiomycete. d. a zygomycete. e. a chytridiomycete.
Biology & Microbiology
__________, the volume of air that moves in and out of the lungs during one respiratory cycle, is normally far less than __________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Mechanoreceptors do not respond to
Select one: a. touch. b. sound waves. c. motion. d. gravity. e. temperature.
Biology & Microbiology