Most of the water that evaporates from leaves passes out through the
A. epidermis.
B. cuticle.
C. stomata.
D. spaces between epidermal cells.
E. ends of xylem vessels.
Answer: C
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During sexual reproduction, cellular organelles containing genetic material do not undergo Mendelian segregation
A. true B. false
Which of the following is mismatched?
a. some free nerve endings; itching b. some free nerve endings; temperatures above and below those of the normal body core c. bulbs of Krause; thermoreception d. Meissner’s corpuscles; rapid-frequency vibrations e. Ruffini endings; steady touch and thermoreception
What molecular structure is used by geneticists to insert foreign DNA into a recipient bacterial cell that will replicate the foreign DNA?
A) codon B) anticodon C) genome D) plasmid
A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?
A) autocrine B) paracrine C) endocrine D) neuroendocrine