a1.2.4 - bases in each nucleic acid form the basis of a code Flashcards
1
Q
outline how the sequence of bases in a nucleic acid serves as a ‘code’
A
a code is a system in which one symbol signifies the meaning of another symbol. in the genetic code, a group of three nucleic acid bases signifies for an amino acid. a gene is a specific sequence of DNA nucleotides that codes for the making of a specific protein.
2
Q
state the names of the nitrogenous bases found in DNA and RNA
A
- cytosine (DNA and RNA)
- thymine (DNA only)
- guanine (DNA and RNA)
- adenine (DNA and RNA)
- uracil (RNA only)
3
Q
define gene
A
a specific sequence of nitrogenous bases in DNA nucleotides that codes for the making of a protein