Which of the following statements regarding stem cells is FALSE?  

Examine the genetic code table, shown below. The codon AGG codes for the amino acid ______.

Which of the following turns off transcription by binding to the operator? 

 Which of the following is an advantage of genetically modified (GM) crops?

The militant anti-slavery movement that had developed by 1831 was:

Deserts typically occur in a band at 30 degrees north and south latitude or at different latitudes in the interior of continents. This supports the idea that

Species that compete for the same resources often switch to either use different resources or find ways to reduce competition.  Why is this often true?

What organism has the greatest potential for creating biofuels?

This biome has cooler, wet winters and hot, dry summers.  Its plants often burn easily, and fires are common.

The Figure below depicts the age structure of three populations. Which population is in the process of increasing?