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11.  a) List the two major stabilizing factors of an α-helix, i.e. the ones all helices have.  (4 pts)          b) List the two major stabilizing factors of a β-sheet.  (4 pts)  

Plasmodesmata are cell-cell junctions that are found between _____.

All of the following proteins may be found in the extracellular matrix of animal cells EXCEPT _____.

Lysosomes that lack mannose-6-phosphate receptors _____.

How many grains is in 60 mg?

Use the following figure to answer the question.The figure shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. Why are they different?

When administering medications, what does the abbreviation prn mean?

Which of the following would be most appropriate method to observe and measure the size of ribosomes in a eukaryotic cell?

Define history according to our class lecture discussion. Be sure to explain why history is important. Your answer must be stated in complete sentences and your answer must consist of at least two complete sentences.

What is historical interpretation? Why is historical interpretation important? Your answer must be stated in complete sentences and your answer must consist of at least two complete sentences.