Of the following structures, which one is not a specialized cell of the epidermis?
A. guard cells
B. trichomes
C. sclereids
D. root hairs
E. oil glands
C. sclereids
Sclereids are part of the ground tissues of plants. Ground tissue cells function in storage, photosynthesis, and secretion. Sclereids are a type of sclerenchyma cell which may have an irregular shape. Their function is to strengthen the tissues where they are found.
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The same hormone stimulates gene expression in one cell, but inhibits gene expression in another cell. What is the best explanation for this difference?
A. The two cells have different types of receptors for the hormone. B. The two cells receive different amounts of the hormone. C. The two cells receive the hormone at different times. D. The hormone is degraded more quickly in one cell than the other. E. The hormone can diffuse through the plasma membrane of one cell, but not the other.
The amnion surrounds the embryo and bathes it in a protective fluid.
Answer the following statement true (T) or false (F)
Which of the following is true of the life cycle of mosses?
A) The haploid generation grows on the sporophyte generation. B) Spores are primarily distributed by water currents. C) Antheridia and archegonia are produced by gametophytes. D) The sporophyte generation is dominant. E) The growing embryo gives rise to the gametophyte.
Which of the following drugs are not matched correctly with their uses?
A) azoles: athlete's foot, ringworm, and yeast infections B) echinocandin drugs: systemic fungal infections in immune-compromised patients C) polyenes: cutaneous candidiasis caused by Candida albicans or treating life-threatening systemic fungal infections D) allyamines: systemic fungal infections like in coccidioidomycosis caused by Coccidioides immitis E) Flucytosine: administered in combination with amphotericin B for severe fungal infections such as Cryptococcus meningitis and systemic Candidiasis infections