Dog 32 Which of these haemoglobin is most closely related to human animal’s haemoglobin? _____________________________________________________ 1 (b) What term describes all the DNA of a species? _____________________________________________________ 1 12. The diagram below shows part of a metabolic pathway. Each stage is controlled by an enzyme. 2 3 Intermediate Metabolites Melanin Phenylalanine Tyrosine 4 1 Intermediate Homogentisic Metabolites acid Phenylpyruvic Acid Further Metabolites Phenylketonuria (PKU) is caused by a mutation of the gene required to make enzyme A 1 B 2 C 3 D 4 13. The family tree shows the inheritance of a bone disorder. Parents
Dog 32 Which of these animal’s haemoglobin is most closely related to human haemoglobin? _____________________________________________________ 1 (b) What term describes all the DNA of a species? _____________________________________________________ 1 12. The diagram below shows part of a metabolic pathway. Each stage is controlled by an enzyme. 2 Intermediate 3 Metabolites Melanin Phenylalanine Tyrosine 1 Intermediate 4 Homogentisic Metabolites acid Phenylpyruvic Acid Further Metabolites Phenylketonuria (PKU) is caused by a mutation of the gene required to make enzyme A 1 B 2 C 3 D 4 13. The family tree shows the inheritance of a bone disorder. Parents