The bacterium Streptococcus pneumoniae is the organism respo…

The bacterium Streptococcus pneumoniae is the organism responsible for bacterial pneumonia. It has a cell-wall that is predominately made of peptidoglycan and no outer membrane. Based upon these characteristics, this bacterium is __________________. It has the ability to take up DNA from its environment; this ability is known as __________________.

You are looking at a collection of cells from a newly discov…

You are looking at a collection of cells from a newly discovered diploid organism.  You determine that a cell in the G1 phase contains 22 picograms of DNA.  You find another cell that has 44 picograms of DNA.  What can you definitively conclude about the cell with 44 picograms of DNA?

A rare illness in a child was determined to be the result of…

A rare illness in a child was determined to be the result of the production of antibodies to signal recognition particles (SRP) in her muscle cells.  These antibodies destroyed her SRPs before they were able to carry out their function.  Based on this information, which of the following is most likely to occur?