The amount and character of the ECM varies by
What will be an ideal response?
tissue type
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In an experiment, some herbaceous, nonwoody plants were exposed to frequent windy conditions or mechanical shaking for several hours per day. The flexibility of these plants was due to the _____________ cells.
A. parenchyma B. aerenchyma C. periderm D. collenchyma E. sclerenchyma 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 the composition and function of various plant cells types? 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?
Colorblindness is ____
a. more prevalent in females than males b. more prevalent in males than females c. present in both sexes equally d. encoded by genes on the Y chromosome e. not a genetic condition
Which of the following air-filled respiratory system structures are common in insects?
a. gills b. tracheal tubes c. lungs d. integumentary surfaces e. air sacs
When a muscle fiber receives an action potential from a neuron, how many sarcomeres in the fiber contract?
A) The number that contracts is directly proportional to the strength of the action potential. B) The number that contracts is inversely proportional to the strength of the action potential. C) Approximately one half of the sarcomeres in the fiber contract. D) All of the sarcomeres in the fiber contract.