几道英文生物概念题1)what causes the stem of tomato plant to bend toward light?a)unequal auxin distributionb)the adhesive property of waterc)transpirational pulld)the storage

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几道英文生物概念题1)what causes the stem of tomato plant to bend toward light?a)unequal auxin distributionb)the adhesive property of waterc)transpirational pulld)the storage
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几道英文生物概念题1)what causes the stem of tomato plant to bend toward light?a)unequal auxin distributionb)the adhesive property of waterc)transpirational pulld)the storage
几道英文生物概念题
1)what causes the stem of tomato plant to bend toward light?
a)unequal auxin distribution
b)the adhesive property of water
c)transpirational pull
d)the storage

几道英文生物概念题1)what causes the stem of tomato plant to bend toward light?a)unequal auxin distributionb)the adhesive property of waterc)transpirational pulld)the storage
a

是什么原因使得西红柿的茎向太阳的方向弯曲?
选A,由于生长激素的分布不均匀引起的。