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14 Cards in this Set

  • Front
  • Back

DNA

Contains the instructions used in the development and function of all known living organisms

Chromosomes

Long strands made of DNA and proteins which contains genetic information

Histones

Proteins that form part of chromosome

Gene

Section of DNA which carries a code about a particular characteristic.


Provides the instructions

Double helix

Formed a spiral ladder shaped molecule made up of nucleotides

Nucleotides

Building blocks of DNA made of a nitrogen-base, phosphate and sugar

Purines

Adenine and guanine

Pyrimidine

Thymine and cytosine

Hereditary characteristics

Determined by the order of bases in nucleotides

Amino acid

Long chains of molecules which make up proteins

Genes code

Sequence of nucleotides indicate type of amino acids to make protein

Non-coding DNA

Junk DNA and influences behavior of genes

DNA replication

Process of making DNA from existing DNA, controlled by specific enzymes

Cell cycle

Series of processes that take place in a cell between one cell division and the next