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Name ___________________________________ Period _________ Seat # ____
SECTION 1-3 Chemical Compounds in Cells
Fill in the blanks in the table below.
Type of Compound
Carbohydrates
Example
1.
____________
Fats
2.
__________________
4.
Enzymes
__________________
5.
DNA
_________________
Major Roles in Living Things
Help form cell walls and membranes; provide energy
Help form cell membranes;
3. ________________________
Help form cell membranes and organelles: speed up
chemical reactions
Direct all the cell’s functions:
6. ________________________
Match each term with its definition by writing the letter of the correct definition in the blank
beside the term.
______ 7. element
a. most compounds that contain carbon
______ 8. atom
______ 13. proteins
b. type of nucleic acid that plays an important role in the
production of proteins
c. compounds that do not contain the element carbon
d. type of nucleic acid that passes from parent to
offspring and directs the cell’s functions
e. very large organic molecules made of carbon, oxygen,
hydrogen, nitrogen, and phosphorus
f. large organic molecules made of carbon, hydrogen,
oxygen, nitrogen, and sometimes sulfur
g. the smallest unit of most compounds
______ 14. amino acids
h. small molecules that make up proteins
______ 15. enzyme
______ 16. nucleic acids
i. the chemical combination of two or more elements
j. type of protein that speeds up chemical reactions in
living things
k. the smallest unit of an element
______ 9. compound
______ 10. molecule
______ 11. organic compounds
______ 12. inorganic compounds
______ 17. DNA
______ 18. RNA
l. any substance that cannot be broken down into simpler
substances