A house plant that has been placed in the

window will grow toward the source of light
because auxin



a. becomes more concentrated on the
illuminated side of the plant.
b. becomes less concentrated on the
illuminated side of the plant.
c. becomes more concentrated in the roots of
the plant.
d. inhibits the growth of cells on the shady
side, so the cells on the sunny side grow
faster.
e. is produced only when the sun shines


B

Biology & Microbiology

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A baby born without a thymus:a

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Fungal infections are studied by

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