A hypothetical amino acid has a carboxylic acid as part of its side chain. Which of the following properties does it have?
charged
Hydrophobic
Nonpolar
none of the above

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

The three types is stress that act on earths rocks are compression, tension, and