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Ovules are found within structure _____. |
B |
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Which of these is unique to flowering plants? |
double fertilization |
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The male gametophytes of flowering plants are also referred to as _____. |
pollen grains |
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In flowering plants the integuments of the ovule develop into a(n) _____. |
seed coat ( The integuments of the ovule develop into a tough seed coat.) |
|
A carpel is composed of _____. |
stigma, style, and ovary ( These are the components of a carpel.) |
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In flowering plants one megaspore gives rise to _____ nuclei. |
eight haploid |
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A stamen consists of _____. |
anther and filament ( These are the components of a stamen.) |
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In angiosperms, pollination is the transfer of pollen grain to the _____ of a flower on the same plant or another plant of the same species. |
stigma |
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What is endosperm? |
via cotyledons, a source of food for the embryo |
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The pointer is indicating a diploid cell that develops into the _____. |
embryo |
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Fruits evolved primarily as structures specialized to _____. |
disperse seeds |
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Why is golden rice pale yellow in color? |
It is rich in beta-carotene. |
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Which of these is a symptom of vitamin A deficiency? |
blindness |
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Which of these is a vitamin A precursor? |
beta-carotene |
|
The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria _____. |
seems unlikely |
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