Draw the structure of the product(s) formed on mixing propanoic acid and aniline and then the new organic product formed on heating. Be sure to show formal charges and draw the appropriate number of condensed hydrogens on oxygen and nitrogen atoms, where necessary.

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false