At the subcellular level where does the urea cycle occur?

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#Question id: 7246

#Unit 5. Developmental Biology

Treatment of Xenopus embryos with lithium dorsalizes the embryos by interfering with cell-cell signaling pathways. What, if anything, is the effect of lithium on hydra, and what might we infer about its mechanism of action?

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#Question id: 11960

#Unit 7. System Physiology – Animal

Mechanical digestion, the process of breaking down large chunks of food into smaller pieces, is important because smaller pieces of food ________.

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#Question id: 3837

#Unit 3. Fundamental Processes

How does the enzyme telomerase meet the challenge of replicating the ends of linear chromosomes?

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#Question id: 19529

#Unit 12. Applied Biology

There are many insect species that are not sensitive to Cry proteins; this could be due to a high affinity of midgut proteases of these species to the

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#Question id: 19089

#Unit 4. Cell Communication and Cell Signaling

Fusicoccum amygdali produces the toxin fusicoccin is a