(a)[3]
State the names of the organs labelled J, K and L.
(b)[5]
Complete Table 3.1 by stating which hormones and enzymes are secreted by the pancreas.
(c)[3]
Explain the way in which CFTR proteins move chloride ions across the membrane of the cell shown in Fig. 3.2.
(d)[3]
Explain the movement of water from the cell shown in Fig. 3.2 into the pancreatic duct.
(e(i))[2]
Describe and explain the evidence in Fig. 3.3 that cystic fibrosis is caused by a recessive allele.
(e(ii))[5]
Complete the genetic diagram to predict the probability of person 7 and the heterozygous man having a child with cystic fibrosis. Use the symbol A for the dominant allele and a for the recessive allele.