A plant tissue that protects against water loss is the
a. epidermis.
b. fibers.
c. parenchyma.
d. xylem
A
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The DNA-binding proteins of almost all regulatory proteins use one of a small set of shapes that enable them to fit into the DNA major groove. These shapes are called
A. structural motifs. B. DNA prints. C. fingerprints. D. repressors. E. transcriptional domains.
All of the following features are true of primates except
A. they are mammals with grasping fingers and toes. B. they belong to the order containing lemurs, monkeys, and apes. C. they have binocular vision. D. they have prehensile tails.
During your annual checkup, your doctor informs you that your blood pressure is 120 over 90. Which statement is true?
a. Your systolic pressure is a little high. b. Your systolic pressure is a little low. c. Your diastolic pressure is a little high. d. Your diastolic pressure is a little low.
Materials like calcium, sulfur, iron, and many other minerals move within the plant
a. only via xylem. b. only via phloem. c. only in parenchyma. d. in parenchyma and phloem. e. in both xylem and phloem.