Blog

Solve.Bob wants to fence in a rectangular area in his yard for his dog. He has 60 feet of fencing to work with and wants to use it all.  He will position the dog run against the house, so that fencing is only needed for three sides. a.  Draw and label diagram for Bob on your paper, with the two equal sides of fencing needed labelled x feet.  b.   Express the area of the dog run as a function of x. A(x) =  

Your pdf document MUST be completely uploaded by the deadline. The deadline is electronically set and it is not subject to interpretation (it is absolute). Unless the Canvas servers reportedly malfunction, technical issues at the user end (slow internet, scanner not working, computer crash, etc.) are personal issues and will not be accommodated.   Keep in mind that uploading your file will take time. Also, Canvas might log you out, if it sits idle while you take your exam. Scanning, logging-in, navigating to the upload link, and uploading (specifically for large files) takes time.  The required time to perform these steps is already accommodated by the provided time period. You are responsible for meeting the deadline. If you miss it, you missed it!

The pituitary gland is formed from two different embryonic sources: the anterior and intermediate lobes of the pituitary comes from Rathke’s pouch while the posterior lobe comes from:

Briefly describe the lytic cycle of a bacteriophage.  Are there mechanisms in the bacterial cell that can defend against bacteriophages?  If so, what are they? [1.5 pts]

Briefly explain the difference between the action spectrum and the absorption spectrum [1 pt]

Briefly describe the structural similarities/differences between chloroplasts and mitochondria.  Where are the electron transport chain (ETC) proteins located?  What is the function of the electron transport chain in both?  Are there any functional differences in the ETC of both?  In C3 plants, which plant cells contain chlorophyll and where is the chlorophyll located in chloroplasts (be specific)? [4 pts]

Use a graph to find any relative maxima and minima. f(x) = -x2 + 6x – 5

List two of the three properties of RNA that enable it to function as an enzyme [1 pt]

Briefly discuss the lac operon.  What is the function of this operon?  Is this an inducible or repressible operon?  Is it normally active or inactive – explain why?  Is there a repressor, co-repressor, inducer, or co-inducer (if so, what is it)? [2.5 pts]

A researcher lyses (breaks open) a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (TMV).  The cell contents are left in a covered test tube overnight.  The next day, this mixture is sprayed onto tobacco plants.  What would you expect to happen to the plants that were sprayed with the mixture?