Blog

2.2.5 Name two ways in which the validity of this investigation could be improved. (2)

  TOTAL SECTION B: 55        

1.2 Provide the correct biological term(s) for each of the following descriptions (1.2.1 – 1.2.10). Type the question number followed by the term(s). 1.2.1 A nucleic acid that contains phosphates, deoxyribose sugars and nitrogenous bases, arranged in a double helix. (1) 1.2.2 A nucleic acid that contains phosphates, ribose sugars and nitrogenous bases, arranged in a single strand. (1) 1.2.3 The use of DNA analysis to determine paternity, maternity or the presence of a person’s DNA on a crime scene. (1) 1.2.4 The monomers of nucleic acids. (1) 1.2.5 The phase of protein synthesis in which an mRNA molecule is read by a ribosome. (1) 1.2.6 The phase of protein synthesis in which an mRNA molecule is produced using a DNA template.   1.2.7 The type of RNA molecule that binds and transports amino acids from the cytoplasm to the ribosomes. (1) 1.2.8 Three bases on an mRNA strand, that codes for a specific amino acid. (1) 1.2.9 Three bases on a tRNA strand, that codes for a specific amino acid. (1) 1.2.10 A chain of amino acids, not yet long enough to form a protein. (1)  

 1.3.4 [Multiple choice]         The rate at which workers, businesses or a country produces goods and services to satisfy needs and wants is known as? (1)

  2.1 “Motivated staff means more profit for a business” Do you agree or disagree with the above statement? Provide reasons for your answer as well as an explanation of what motivation is. (4)           2.2 Name and explain two training methods an organisation can use to train their staff. (4)        

1.4.3 What is the function of part E? (1)

1.1.4 The outermost membrane found in an amniotic egg, that surrounds all the other membranes. A. Yolk sacB. AllantoisC. ChorionD. Albumin (2)

  1.1.6 Name one support material for a non-verbal presentation. (1)        

3.1.4 Anne and Mike want to have another child. Draw a genetic diagram to show a cross between Anne and Mike. Use the genotypes that you identified in the previous question. Include all the required steps and labels, plus the phenotype and genotype results and their ratios.Note: Diagrams must always be drawn by hand.  Scan or take a clear photo of your diagram and upload it in this question, using the button below. (10)

1.1.6 The level of offspring development expected in animal Z: A. precocialB. viviparyC. altricialD. none of the above (2)