Which tissue will NOT be crushed or sloughed off
by the growing of the stem?
a. vascular cambium
b. epidermis
c. cortex
d. pith
e. endodermis
Answer: a
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Children in the Southeastern United States play with red maple fruits (Acer rubrum). The fruits are tossed in the air and spin back to the ground, acting like small helicopters. Which part of the fruit allows for this?
A. The pericarp B. The integument C. The endosperm D. The ovule Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about maple fruits? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The growth-promoting substance that promotes stem elongation and bending toward light is produced primarily in
____.
a. root tips, traveling to the stem in the xylem b. the center of the stem region where elongation or bending occurs c. flowers and flower buds d. the shoot tip
e. root tips, traveling to the stem in the phloemWhen solutes are unloaded from phloem, water
a. is pumped into the phloem by active transport. b. leaves the xylem by osmosis. c. moves into the phloem by facilitated diffusion. d. is pumped out of the phloem by active transport. e. leaves the phloem by osmosis.
Yeast infections are caused by
A) Aspergillus. B) Candida albicans. C) Histoplasma. D) Penicillium. E) Saccharomyces cerevisiae.