Which of the following is incorrect about biofilms?
A. They can protect the bacteria from disinfectants and drugs.
B. They are an association of bacterial cells that form on a substrate.
C. They can form on contact lenses.
D. They are found on teeth.
E. They are not associated with disease.
Answer: E
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If cells in the _____ are removed, roots will no longer respond to gravity
A) root hairs B) zone of elongation C) root cap D) secondary meristem
During a viticulturist's presentation on growing and managing grapes, why did he state that it is imperative to encourage the grapevine's natural tendency for positive thigmotropism?
A. To encourage the vine's response to move toward the early morning light as opposed to the late afternoon sun. B. To encourage the roots to grow deeper and spread out. C. To encourage the grapes to retain their sugar for a longer period of time. D. To encourage the twining stems to wrap around the supporting wires. E. To discourage early ripening of the fruit. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about plant growth and thigmotropism? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
When 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.
Heart muscle works hard and therefore consumes much ATP. Which organelles would you expect to be especially numerous in the heart muscle cells?
A) nuclei B) mitochondria C) Golgi complexes D) lysosomes