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5 Cards in this Set
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Endosperm is?
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Nutritive tissue inside seeds
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____ will produce sperm cells in plants
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Pollen grains
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Which of the following is NOT a characteristic of plant hormones?
A) They exist in plants in very tiny amounts. B) They change their shape in response to stimulus. C) They are able to move from one cell to another cell through extracellular spaces. D) They affect only cells having an appropriate receptor. E) All of the above are correct descriptions of plant hormones. |
B) They change their shape in response to stimulus.
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_____ in concentration of auxin in shoot cells and _____ in concentration of auxin in root cells lead to cell elongation.
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Increase; decrease
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Of which parts are stamen composed?
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Filament and anther
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