Minerals required for bone formation include
A) zinc and potassium.
B) calcium and sodium.
C) calcium and phosphorus.
D) calcium and zinc.
E) iron and sodium.
C
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GENETIC DRIFT IS THE RESULT OF _____
Fill in the blank(s) with the appropriate word(s).
A human X-linked gene is ____
a. found only in males b. more frequently expressed in females c. found on the Y chromosome d. transmitted from father to son e. found on the X chromosome
The male product of meiosis is the structure in Figure 28-2 labeled:a
5.
b. 10.
c. 13.
d. 18.
e. 20.
Which of the following statements about monocots is true?
a. They lack sclerenchyma tissue. b. They have a well-developed vascular cambium. c. They do not produce bark. d. Their lateral meristems give rise to wood. e. Secondary growth occurs rather slowly.