The vena cava delivers its blood to the right atrium of the heart. The urea molecule then passes from the right atrium to the right ventricle and enters the pulmonary artery and, after passing through the lungs, enters the pulmonary vein which opens into the left atrium. It is pumped ...
BiologyGCSE(B2)Questions QuestionAnswer 1DescribethestructureofDNAAdoublehelixwiththetwostrands linkedbyaseriesofpairedbases; ‘twistedladder’ 2Howdothebasespairup?AdeninewithThymine,andGuaninewith Cytosine 3Genescontainthecodeformaking what? Proteins 4Nameausefulproteinthatcanbe producedbytransferringthe...
Past Papers, Required Practicals, Biology Lessons, The nature and variety of living organisms, Structures and functions in living organisms, Reproduction and inheritance, Ecology and the environment, Use of biological resources, videos and experiments th
BIOLOGY 0610/11 Paper 1 Multiple Choice May/June 2013 45 minutes Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) READ THESE INSTRUCTIONS FIRST Write in soft pencil.Do not use staples, paper clips, highlighters, glue or ...