Most of the water absorbed by the plant enters through the
A. root apical meristem.
B. root cap.
C. root hairs.
D. stomata.
E. lenticels.
C. root hairs.
Regions of the root with root hairs absorb the most water. Root hairs, which are extensions of the epidermis, greatly increase the surface area of the root for absorption.
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The first amino acid in a growing polypeptide chain is _____
a. methionine b. valine c. lysine d. phenylalanine e. glycine
Which of the following is NOT one of the signs of aging in the skin?
a. increased collagen b. reduced fibroblasts c. increase in sweat glands d. less pigmentation in hair e. increased fat deposits
Lysogeny is most likely associated with transduction
Indicate whether the statement is true or false
Flowers that are strongly oderiferous and blue or UV purple in color would most likely be pollinated by:
a. insects. b. birds. c. bats. d. wind. e. small rodents