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Flashcards in Chapter 1: Practice Questions Deck (7)
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1

In looking at the periodic table, the following information would be found about Nitrogen:
14
7 N

It has an atomic mass of 14 atomic mass units and 7 electrons.

2

Isomers are molecules that

Have the same molecular formula

3

In living organisms, buffers do which of the following?

Maintain pH in the cells within a narrow range, allowing enzymes to function.

4

By what factor would the concentration of hydrogen (hydronium) ions be decreased if the pH of a solution changed from 4.5 to 6.5?

100

5

The following structural formula is representative of which functional group?
-C=O
\
O
/
H

Carboxyl

6

Where would you expect to find these functional groups?
H |
| C = O
- N |
| O
H |
H

Amino Acid

7

Of the following, which is not considered to be a polymer?
a) cellulose
b) RNA
c) Starch
d) Protein
e) Fat

Fat