Final Lecture Exam

Question 1

lecture exam 1, question 7

correct order form smallest to largest in size (left to right)

Answer 1

atoms, macromolecules, viruses, prokaryotic cells, eukaryotic cells

Question 2

lecture exam 1, question 9

which of the following characterize a single water molecule?

Answer 2

its oxygen atom has a partial negative charge

Question 3

lecture exam 1, question 10

one water molecule can hydrogen bond w/ a maximum of ___ other water molecules

Answer 3

4

Question 4

lecture exam 1, question 11

what statements below best describes polar molecules?

Answer 4

polar molecules are hydrophilic and can mix w/ water molecules

Question 5

lecture exam 1, question 12

at a pH of 5, the [ ] of protons in solution is ___ than a pH of 7.

Answer 5

100 times higher than it is at a pH of 7

Question 6

lecture exam 1, question 13

what is the definition of a Bronsted-Lowry acid?

Answer 6

a molecule that donates a proton into solution