|
1. Nucleic Acids are polymers of ___________ |
Nucleotides |
2. The basic units of a nucleotide
are
|
5C sugar, phosphate, nitrogen base |
| 3. Name the
two important functional groups.
|
Phosphate group and hydroxyl group. |
| 4. To form
a dinucleotide, what must be removed?
|
Water |
| 5. What kind
of reaction is this called?
|
condensation |
| 6. Write
out the reaction and label the reactants and products.
|
Nucleotide + nucleotide à water + dinucleotide |
| 7. What
kind of bond is formed between the two nucleotides?
|
Phosphodiester bond |
| 8. This
bond is equivalent to what bond
between monosaccharides?
|
Glycosidic
|
| 9. Which end of the nucleic acid molecule is the 5' end? | The
end with the free phosphate group
|
| 10. Which end of the nucleic acid
molecule is the 3' end?
|
The end with the free hydroxyl group |
| 11. What
is the significance of the 5' and 3' ends of a
nucleic acid? |
Additional nucleotides can be added only to the 3' end |
| 12. The four
nitrogen bases found in DNA are:
|
Adenine, Guanine, Cytosine, and Thymine |
| 13. The base
in DNA complementary to Adenine is
The base in DNA complementary to Guanine is |
Thymine
Cytosine |
| 14. If
a strand of DNA contains the sequence below,
what would the complementary DNA strand have as its base sequence? 5' A T C G T T A G G G C A T 3' Indicate the 5' and 3' ends. If the
strand given were to elongate at which end
|
5' A T C G T T A G G G C A T 3' 3' T A G C A A T C C C G T A 5' 3' end |
| 15. The four nitrogen bases found in RNA are ____ | Adenine,
Guanine, Cytosine, and Uracil
|
| 16. Which
nitrogen base in DNA is NOT found in RNA?
Which nitrogen base in RNA is NOT found in DNA? |
Thymine
Uracil |
| 17. If
a strand of DNA contains the base sequence
below, what would the complementary RNA have as its base sequence? A T C G T T A G G G A T |
A T C G T T A G G G A T
|
| 18. What
does DNA stand for?
What does RNA stand for? |
Deoxyribonucleic
Acid
Ribonucleic
Acid
|
| 19. What is the function of DNA? | It
is the genetic material of the cell that is passed on to new cells and
new organisms. It contains the code for ALL the proteins a cell can make
|
| What is the function of RNA? | RNA is an intermediate formed in the process of converting the code in DNA into a protein |