The function of each protein is a consequence of its specific shape. What is the term used for a change in a protein’s three-dimensional shape or conformation due to disruption of hydrogen bonds, disulfide bridges, or ionic bonds?

In an effort to increase milk production of dairy cows, a farmer decides to experiment with a new food additive. Half the cows (Group 1) are given the new food additive, while the other half of the cows (Group 2) are not given food additive. Group 1 represents the ______ group of this experiment, while Group 2 represents the _______ group of the experiment.

The atomic number of nitrogen is 7. Nitrogen-15 is heavier than nitrogen-14 because the atomic nucleus of nitrogen-15 contains how many neutrons?

A student measuring the pH of the water in a fish tank found it to have a pH of 8. Which of the following statements is true regarding that solution?

Which term best describes the water component of a sugar- water mixture?

Which of the following observations is the strongest argument in favor of the hypothesis that protein structure and function are correlated?

Specifically, a peptide bond forms between which two functional groups?

Which of the following statements regarding carbon is false?

You drop a handful of salt into a glass of water. Which of the following BEST describes what is happening inside the glass at the molecular level?

Research indicates that Ibuprofen, a drug used to relieve inflammation and pain, is a mixture of two enantiomers; that is, molecules that