Digestive hormones produced by the wall of the duodenum that control secretions include cholecystokinin and ___________
Fill in the blank(s) with the appropriate word(s).
secretin
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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?
A brown-eyed couple heterozygous for eye color are planning on having two children. What is the
probability that both children will have blue eyes, assuming brown eyes is dominant and blue eyes is recessive? a. 0 b. 1/32 c. 1/16 d. 1/4 e. 1/2
Histamine is released by neutrophils to induce an inflammation response when tissues become damaged
Indicate whether the statement is true or false
Errors sometimes occur when DNA duplicates itself. Why might that be a good thing?
a) most errors are, in fact, good for the organism in which they occur b) the rebuilding process proceeds much more quickly when a few errors occur c) errors in DNA replication can never be a good thing d) the DNA replication process becomes more fine-tuned, the more errors it makes e) new genes can enter the population and be acted upon by evolution