Questions asked by noname

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• Describe bacterial DNA replication, including the names and functions of the key points involved in this process. Use diagrams to support your answer where possible.?
  
• Describe the composition of human haemoglobin, and explain how haemoglobin supports oxygen transport in the blood, using a diagram of the haemoglobin dissociation curve. 5 marks?
  
• The presence of which enzyme is analysed via the oxidase assay? a) catalase b) glucose oxidase c) NADH oxidase d) cytochrome oxidase
  
• A playing card is chosen from a standard deck of cards (which contains a total of 52 cards) what is the probability of getting a two. a seven or an ace? a) 3/52 b) 3/13 c) 1/13 d) 1
  
• In the systemic blood circulation, describe the typical values for the partial pressure of oxygen in the arterial blood compared to the venous blood. How do these values drive alveolar gas exchange in the lungs? 5marks .
  
• Using the following information to help you answer parts (a) - (c): HNO3 + NaOH ---> NaNO3 + H2O ?
  
• For each of the structures in parts (a) to (c) draw the outcome of the indicated electron movements.?