F212 - Nucleic Acids

Descrição

F212 - Nucleic Acids
katy stopforth
Mapa Mental por katy stopforth, atualizado more than 1 year ago
katy stopforth
Criado por katy stopforth quase 9 anos atrás
19
1

Resumo de Recurso

F212 - Nucleic Acids
  1. DNA
    1. double stranded
      1. Nitrogenous Bases
        1. Adenine
          1. Thymine
            1. Cytosine
              1. Guanine
              2. a polynuleotide
                1. Semi-Conservative Replication
                  1. 1. DNA unwinds
                    1. 2. DNA helicase unzips the DNA
                      1. breaks the hydrogen bonds
                        1. forms two separate strands
                          1. act as templates
                        2. 3. Free DNA nucleotides join to the bases
                          1. complementary base pairing
                            1. purine to pyramidine
                          2. 4. DNA polymerase joins the new nuelotides by strong covalent bonds
                            1. forming sugar-phosphate backbone
                            2. 5. winding enzyme reforms double helix structure
                            3. RNA
                              1. Nitrogenous Bases
                                1. Adenine
                                  1. Uracil
                                    1. Cytosine
                                      1. Guanine
                                      2. a polynucleotide
                                        1. single stranded
                                          1. Nitrogenous Bases
                                            1. Pyramidines
                                              1. Thymine
                                                1. Cytosine
                                                  1. Uracil
                                                  2. Purines
                                                    1. Adenine
                                                      1. Guanine
                                                      2. Combinations
                                                        1. A,T or A,U
                                                          1. two hydrogen bonds
                                                          2. G,C
                                                            1. three hydrogen bonds
                                                            2. anti-parallel strands
                                                              1. in DNA - the strand twist to from a 'double helix'
                                                          3. Genes
                                                            1. a sequence of DNA nucleotides that codes for a polypeptide
                                                            2. Role of DNA and RNA
                                                              1. 1. required gene exposed by splitting hydrogen bonds in that section of the DNA
                                                                1. 2. RNA created a complementary strand
                                                                  1. mRNA
                                                                  2. 3. mRNA leaves nucleis through nuclear pore and attaches to ribosome
                                                                    1. 4. tRNA brings amino acids to the ribosome in the correct order
                                                                      1. according to base sequence
                                                                      2. 5. amino acids joined together by peptide bonds
                                                                        1. gives a protein with a specific tertiary structure

                                                                      Semelhante

                                                                      Nucleic Acids
                                                                      Jessica Phillips
                                                                      OCR AS Biology
                                                                      joshbrown3397
                                                                      Biology- Genes, Chromosomes and DNA
                                                                      Laura Perry
                                                                      Biology- Genes and Variation
                                                                      Laura Perry
                                                                      GCSE AQA Biology - Unit 2
                                                                      James Jolliffe
                                                                      GCSE Biology AQA
                                                                      isabellabeaumont
                                                                      Cell Transport
                                                                      Elena Cade
                                                                      Function and Structure of DNA
                                                                      Elena Cade
                                                                      Cells And Cell Techniques - Flashcards (AQA AS-Level Biology)
                                                                      Henry Kitchen
                                                                      GCSE Biology - Homeostasis and Classification Flashcards
                                                                      Beth Coiley
                                                                      Haemoglobin
                                                                      Elena Cade