______ are flavonoids that vary in color with the pH of the cell sap.
A) Betacyanins
B) Anthocyanins
C) Betalains
D) Carotenoids
E) Chlorophylls
Correct Answer:
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Q28: By definition, a parthenocarpic fruit lacks:
A)petals.
B)carpels.
C)receptacles.
D)seeds.
E)stamens.
Q29: Flowers pollinated by _ are most likely
Q30: A simple fruit in which the fleshy
Q31: Which of the following statements about most
Q32: Most flowers pollinated by birds:
A)are blue or
Q34: Which of the following is NOT an
Q35: The fruit characteristic of the pea family
Q36: The most important pigments in floral coloration
Q37: Ultraviolet absorbance in flowers is related to
Q38: The red color of beets is due
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