The above figure represents

a. petunia eggs.
b. pine pollen.
c. pansy spores.
d. petal fragments.
e. poppy seeds


B

Biology & Microbiology

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What two structures result from double fertilization?

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If an atom has the atomic number 11 and the atomic mass 22.99, it will have 

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A. are secreted by hybridomas. B. are used in immunology lab tests and cancer therapy. C. originate from a single B-cell clone. D. have a single specificity for antigen. E. All of these choices are correct.

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