The endomembrane system includes ________.  

What type of chemical bond joins the bases of complementary DNA strands?  

Photosynthetic organisms are ________.  

When using a microscope to view cells you obtained from scraping under your fingernails, you notice that the cells lack nuclei; therefore, you conclude that the cells must be a type of ________ cell.  

Which is a function of the Golgi apparatus?  

The final electron acceptor of aerobic respiration is ________.  

In the controversial Dred Scott decision, the Supreme Court declared that:

The CORRECT sequence of stages of mitosis is ________.  

One difference between mitosis and meiosis is that mitosis ________.  

An atom has 20 protons, 20 neutrons, and 20 electrons. What atom is being described?