A paper was published recently showing that whales and elephants have a large number of extra copies of the p53 gene. Given this information, would you expect these very large animals to have a higher or lower incidence of cancer when compared to humans? Briefly explain.

Which makes up the smallest piece of the Thanksgiving pie that is our Universe? 

Which of these is not a typical cell cycle checkpoint?

In the kidneys, macula densa cells release prostaglandins that are bound by receptors in nearby juxtaglomerular cells, which causes these cells to release the signaling molecule renin into the bloodstream for further signaling. Select all of the types of cell signaling that are present in this system.

Which of these does NOT describe an aspect of microtubules?

Higher taxes will ____ the disposable income of households and ______ consumption.

The purchasing power of the dollar is equal to

An increase in government spending or a decrease in taxes will ________ aggregate demand.

Which of the following is not one of the factors that directly affect how much households spend?

Which of the following is not a weakness of the argument for human personhood beginning at conception?