1.8 The conservationists refer to humanity having a ‘carbon footprint’. This text refers to a ‘water footprint’ (paragraph 8). What do you understand from the use of this term? (2)

5.5 Find a synonym for the word ‘offensive’ in the text. (1)

What can be concluded from the alignment below of an enzyme across several species? Human:    KQAGCALLFPLRPig:    KQAGCGLTFYARFrog: RNLGCKI–PYR

3.2 Identify the target market of the advert above and give a reason for your answer. (2)

5.7 Discuss the meaning of the word ‘original’ as it is found in Line 2. (1)

Please show both sides of your scratch paper to the camera before submitting if you have not already done so. Below is a gene. What is the amino acid sequence of the gene product? 3’ – ACC  AAT  GGA  ATT  CGG  GCA  CCA  GTA – 5’ 5’ – TGG  TTA  CCT  TAA  GCC  CAT  GGT  GGC – 3’  

The majority carriers in an n-type semiconductor are

5.6 Refer to line 9. Identify and explain the punctuation used in the word villain’s. (2)

Double stranded DNA has been separated to be replicated. The blue circles represent the origin of replication. The arrow represents the direction of movement of the replication fork. The 5’ and 3’ ends of the two template strands are indicated. The letters A and B show where new DNA daughter strands will be synthesized. Which section will be replicated continuously to produce a leading daughter strand, and which section will be replicated as Okazaki fragments to produce a lagging daughter strand?   

Three DNA samples undergo VNTR analysis, as shown below. Arrows denote digestion sites. Which of these three individuals is represented in Lane 3 on the gel to the right?