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Which of the following statements about the structure of microtubules is false?

Write 4 sentences using the words below. You must use two words per sentence, underline them, and use each word only once in this exercise.   APC/C          Cdc20               p53         Ndc80              Mdm2      Aurora B       Myc                  CyclinD 

The cell cycle can be arrested in mitosis when a single sister-chromatid pair is mono-oriented on the mitotic spindle. If at this point a glass microneedle is used to pull the mono-oriented chromosome toward the pole to which it is not attached, the cell proceeds to anaphase. This observation confirms that …

Formin nucleates the growth of parallel actin bundles in the cell. Additionally, myosin motor activity is positively regulated by phosphorylation. The monomeric G protein RhoA is important in cytokinesis because it directly or indirectly …

BONUS (2 points) Choose a topic from the cell biology lecture that was not directly addressed on this exam and explain it.

As a result of the Revolution, Loyalists lost their homes, their land, and their jobs.

What did Loyalists believe? 

Endotoxins are composed of what type of molecule(s)? (select ALL that applies)

mRNA is needed to synthesize _______ .

Some bacteria acquire resistance to antibiotics by gaining genes that code for drug efflux pumps. These efflux pumps are proteins that move the drug from the inside of the cell to the outside before it is able to disrupt cellular processes.   Explain the process used by a bacterium to produce these efflux pumps.