A student set up an experiment to test if plants give off water vapor. Fifty pea plants, growing in pots, were covered with individual glass containers and left overnight. The next morning, the inside of each lid was covered in droplets of water. The lab student concluded that plants generally give off water vapor. What critique would you make of the experimental design?

The electronegativity of nitrogen (N) is 3.0, while the electronegativity of hydrogen (H) is 2.1. Knowing this, consider how the electrons will be shared in ammonia (NH 3). What do you predict about the polarity of ammonia?

The functional group below is hydrophobic.

The organelle that can collect, package, modify, and transport molecules is called the __________.

Lipids are the only class of macromolecules that contain __________.

A cell biologist has developed a new drug that blocks vesicle transport at the cis face of the Golgi apparatus. What will this drug prevent from happening inside a cell?

If a water molecule passes through the outer membrane of a chloroplast, how many more membranes will it have to move through to be inthe stroma?

High temperatures can cause proteins in a cell to denature. This can be reversed by heat shock proteins that function as __________.

The nitrogenous base that is only found in DNA is and not in RNA is __________.

What type of monomer does ATP represent?