Which eye color has dense melanin deposits in the iris?
A. Blue
B. Gray
C. Brown
D. Green
E. Brown and blue
Answer: C
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. By the __________ theory, transpiration pulls water upward by creating a continuous negative pressure (or tension)
inside xylem. Fill in the blank(s) with the appropriate word(s).
All plants carry the gene LFY, which carries out similar functions in all plants
Indicate whether the statement is true or false.
What is the combined function of the malleus, incus, and stapes?
a. convert the mechanical vibration of the tympanic membrane into a pressure wave in the cochlear duct b. amplify the vibrations of the ear drum c. equalize the pressure on both sides of the tympanic membrane d. convert the oval window's vibrations into vibrations of the tympanic membrane e. dampen the vibrations of the tympanic membrane
Variation in expressivity and penetrance of genes is due to the effects of other genes and the
environment. Indicate whether the statement is true or false.