The cuticle is
A. the name of the organic molecules that flow through the xylem.
B. the tough, complex molecule that forms secondary, rigid cell walls in sclerenchyma cells.
C. None of the answer choices is correct.
D. the structure that is built up around guard cells, for opening the stomata.
E. a waxy layer on the epidermis, for conserving water.
E. a waxy layer on the epidermis, for conserving water.
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All of the following characteristics are typical for microorganisms EXCEPT
A. Generally consist of single cell or groups of cells with little specialization. B. Generally reproduce by asexual reproduction. C. Most are parasites. D. Generally live in moist environments.
Antifungal drugs used to treat superficial mycoses work by
A) Disrupting fungal membrane permeability and inhibiting sterol synthesis B) Disrupting RNA function C) Altering glucose metabolism D) Inhibiting protein synthesis
A researcher is investigating the morphology of complete flowers. Which of the following organs must his flowers contain?
A. calyx, corolla, receptacle, and carpels B. calyx, corolla, carpels, and ovules C. calyx, corolla, carpels, and pistils D. calyx, corolla, androecium, and gynoecium E. calyx, corolla, stamens, and anthers
After years of listening to loud music on headphones, the cilia on Bob's hair cells are damaged. What is the result?
A. Vestibular problems B. Vision problems C. Taste hallucinations D. Hearing loss