The growth that pushes a root down through the soil takes place through
A) cell elongation at the tip of the root cap.
B) cell division in the apical meristem.
C) cell elongation behind the root tip.
D) differentiation of xylem cells in the apical meristem.
Answer: C
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The process in which the cell actually divides is called
a. mitosis. b. meiosis. c. cytokinesis. d. actin. e. cell plate formation.
Muscle that is NOT striped and is involuntary is
a. cardiac. b. skeletal. c. striated. d. smooth. e. both cardiac and smooth.
An antimicrobial with a low therapeutic index is a safer choice compared to a drug with a high therapeutic index.
Answer the following statement true (T) or false (F)
Based on the answer to the previous question, what phenotypic ratio of red and orange eyes is predicted in the offspring of the F1 male (orange eyes) and female (red eyes)?
A: 3/4 red eye & ¼ orange eye for both sexes. B: ½ red eye & ½ orange eye for both sexes. C: All red eye males; ½ red & ½ orange females D: All red eye females; ½ red & ½ orange eye males