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Compare and contrast saturated fatty acid biosynthesis with polyketide biosynthesis to


explain how two systems are adapted for completely different functions. The former is


involved in primary metabolism and dedicated for synthesis of fatty acids whereas latter is


endowed with the task of creating a diverse range of complex natural products as shown


above.


What is the interface regulations of glycogenolysis and glycogenesis at molecular level

What is the cellular regulation of glycogenolysis

How does the concentration of potassium ions compare inside the neuron versus outside the neuron during rest? 


The amino acid asparagine is synthesized from aspartic acid by the enzyme asparagine synthetase (AS).

Propose a scheme where a cell can regulate the expression of AS. Include a figure clearly diagramming the regulation mechanism.

Your scheme should account for the concentrations of asparagine and aspartic acid.



What are some disadvantages of mammals?



which color is dominant in a bird, gray or black? How do you know?

Explain the cellular regular of glycogenolysis and it interface with glycogenesis at molecular level

Which of the following statements about the regulation of lipid metabolism are true?


Choose one or more:


A. Epinephrine stimulates the breakdown of triacylglycerols


B. glucagon stimulates the synthesis of triacylglycerols


C. Three hormones involved in carbohydrate metabolism depend on blood sugar levels and have nothing to do with lipid metabolism


D. insulin stimulates the synthesis of triacylglycerols


E. glucagon stimulates the breakdown of triacylglycerols