Which of the following represents the correct order of vertebrate gastrointestinal tract layers, going from outside the tract to inside the tract? 

A. the serosa, submucosa, and the lumen
B. the submucosa, the mucosa, the lumen, the plexuses, and the serosa
C. the serosa, the mucosa, and the submucosa
D. the serosa, submucosa, and the mucosa
E. the mucosa, the plexuses, and the serosa


D. the serosa, submucosa, and the mucosa

Biology & Microbiology

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The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?

A. exergonic B. endergonic C. catabolic D. feedback

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List the following in hierarchical order from least to most complex

a. cells, tissues, organs, organ systems b. tissues, organisms, organs, organ systems c. organs, organ systems, organisms, cells d. cells, organs, tissues, organ systems

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At a source the phloem typically has a water potential that is ____ that in surrounding xylem

a. lower than b. about the same as c. higher than d. exactly the same as e. less negative than

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List the events of glycolysis in order

What will be an ideal response?

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