Unit 6- DNA key points 0.0 / 5 ? BiologyDNA and inheritanceGCSEAQA Created by: Georginaf4Created on: 02-04-18 12:41 Chromosomes Really long molecules of DNA 1 of 31 DNA stands for... deoxyribonucleic acid 2 of 31 DNA contains... Coded information that controls how the organism is put together 3 of 31 DNA determines... the characteristics we have 4 of 31 DNA is found in the... Nucleus 5 of 31 Chromosomes come in... pairs 6 of 31 DNA is a... polymer- two strands coiled together in the shape of a double helix 7 of 31 A gene codes for a... specific protein 8 of 31 A gene is... a small section of DNA found on a chromosome. 9 of 31 Each gene codes for a... particular sequence of amino acids that are put together to make a specific protein 10 of 31 How many amino acids are used? 20 but they make up thousands of different proteins. 11 of 31 Genes tell cells... what order to put the amino acids together. 12 of 31 DNA determines... what proteins are made and therefore what type of cell it is 13 of 31 Every organism has a... genome 14 of 31 Genome is... the entire set of genetic material in an organism 15 of 31 Scientists have worked out... the complete human genome (which is important for science and medicine) 16 of 31 DNA is made up of... nucleotides 17 of 31 Nucleotides are.. lots of repeating units inside a polymer 18 of 31 Each nucleotide consists of... one sugar molecule, one phosphate molecule and one 'base' 19 of 31 Sugar and phosphate molecules form a... 'backbone' to the DNA strands and alternate 20 of 31 The four bases are... A,T,C or G 21 of 31 One of these joins to each... sugar 22 of 31 A always pairs up with... T 23 of 31 C always pairs up with... G 24 of 31 Order of bases decides... the order of amino acids in a protein 25 of 31 Each amino acid is coded for by... a sequence of 3 bases in a gene 26 of 31 Non-coding parts... switch the genes on and off and control whether or not a gene is used to make a protein 27 of 31 mRNA... carries the code to the ribosomes 28 of 31 Proteins are made in... ribosomes 29 of 31 mRNA is made by... copying the code from the DNA 30 of 31 The correct amino acids are brought to the ribosomes... in the correct order by carrier molecules (mRNA) 31 of 31
Comments
No comments have yet been made