nucleic acids DNA RNA
nucleotides sugar phosphate
nitrogen base double helix single strand
1. The two types of nucleic acids are _____________ and _______________.
2. __________________________ are the building blocks of nucleic
acids.
3. Each nucleotide is made of a __________________, a _________________________and a ________________________.
4. A double helix is used to describe the shape of ____________________________.
5. A single strand is used to describe the shape of ___________________________.
6. The shape of a DNA molecule is called a ____________________________.
7. __________________________ are molecules that help the cell make
its proteins correctly.
8. RNA and DNA are classified as ____________________________.
9. The shape of an RNA molecule is described as ___________________.
True or False
_____1. The code in DNA helps the cell arrange its amino acids together in
the correct order to make its proteins.
_____ 2. The two types of nucleic acids are DNA and RNA.
_____ 3. Amino acids are the building blocks of nucleic acids.
_____ 4. Nucleotides are the building blocks of nucleic acids.
_____ 5. A nucleotide is made of a sugar, a phosphate, and a nitrogen base.
_____ 6. There are several different nitrogen bases.
_____ 7. Carbohydrates are a major component of nucleic acids
_____ 8. RNA is made of two strands of nucleotides.
_____ 9. A double helix is like a twisted ladder.
_____ 10. The shape of DNA is a double helix.
_____ 11. The job of RNA is to store genetic information in the nucleus of
a cell.
_____ 12. A function of DNA is to allow parents to pass on their genetic
information to their offspring.
_____ 13. The function of RNA is to help the cells use the code in the DNA
to make new proteins for the cell.
Matching
_____ 1. single strand a. molecules that store a code
_____ 2. amino acids b. RNA ( ribonucleic acid )
DNA ( deoxyribonucleic acid )
_____ 3. nucleic acids c. copies the DNA code
_____ 4. DNA d. building blocks of DNA and RNA
_____ 5. RNA e. shape of an RNA molecule
_____ 6. nucleotides f. building blocks of a protein
_____ 7. double helix g. shape of a DNA molecule
