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.

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?

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?

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

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

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

Imagine that in 2025 you are the top biologist at a research station studying biodiversity in Costa Rica. A young scientist brings you a sample from a previously unexplored site. She asks you to look at the sample and determine whether it indeed contains microscopic, living organisms. As you begin your investigations, you must first decide what characteristics distinguish life from nonlife. How would you differentiate a living organism from nonliving? (5pts)