Which of the following changes would you expect to find after administering a vasodilator drug that caused a 50% decrease in afferent arteriolar resistance and no change in arterial pressure?

#Question id: 3891

#Unit 3. Fundamental Processes

Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?

#Question id: 5032

#Unit 11. Evolution and Behavior

There is still some controversy among biologists about whether Neanderthals should be placed within the same species as modern humans, or into a separate species of their own. Most DNA sequence data analyzed so far indicate that there was probably little or no gene flow between Neanderthals and Homo sapiens. Which species concept is most applicable in this example?

#Question id: 23436

#Unit 1. Molecules and their Interaction Relevant to Biology

#Question id: 11986

#Unit 10. Ecological Principles

#Question id: 47

#Unit 1. Molecules and their Interaction Relevant to Biology

If 30 J of energy is added to water in the form of heat at 27°C, what is the change in entropy of water?