Variations in proteins are due to:
1.  Sequence of amino acids
2.  Number of amino acids
3.  R–group
4.  None

Anticodon occurs in:

1. t-RNA

2. m-RNA

3. rRNA

4. DNA

In a three-dimensional view, the molecule of t-RNA is:

A sequence of how many nucleotides in messenger RNA make a codon for an amino acid:

1. Four

2. One

3. Two

4. Three

Which form of RNA has a structure resembling clover leaf?

1. hn-RNA

2. m-RNA

3. t-RNA

4. r-RNA

Protein synthesis in an animal cell occurs: