Theory

CH19 - GENETIC TECHNOLOGY

(a) Describe the role of insulin in the regulation of blood glucose concentration........................................................................

2009 Summer

Theory

CH19 - GENETIC TECHNOLOGY

(a) Hormones are secreted by endocrine glands.Explain what is meant by the term _endocrine gland_........................................................

2009 Winter

Theory

CH19 - GENETIC TECHNOLOGY

(a) A husband and wife who already have a child with cystic fibrosis (CF) elected to have their second child tested for the condition while still a fe...

2009 Winter

Theory

CH19 - GENETIC TECHNOLOGY

(a) Cystic fibrosis (CF) is an inherited disease.(i) Explain briefly how two parents who do not have CF may have a child with CF.........................

2010 Summer

Theory

CH19 - GENETIC TECHNOLOGY

Gene technology has many uses including the production of substances such as insulin.(a) (i) Outline what is meant by gene technology....................

2010 Summer

Theory

CH19 - GENETIC TECHNOLOGY

Gene technology has many uses including the production of substances such as insulin.(a) (i) Outline what is meant by gene technology....................

2010 Summer

Theory

CH19 - GENETIC TECHNOLOGY

(a) With reference to Fig. 3.1, explain why women are treated with hormones for two weeks after being given drugs to suppress ovulation at the beginni...

2010 Winter

Theory

CH19 - GENETIC TECHNOLOGY

The secretion of insulin by the islets of Langerhans in the pancreas stimulates the liver to reduce the blood glucose concentration.(a) Describe how t...

2010 Winter

Theory

CH19 - GENETIC TECHNOLOGY

(a) With reference to Fig. 3.1, explain why women are treated with hormones for two weeks after being given drugs to suppress ovulation at the beginni...

2010 Winter

Theory

CH19 - GENETIC TECHNOLOGY

The secretion of insulin by the islets of Langerhans in the pancreas stimulates the liver to reduce the blood glucose concentration.(a) Describe how t...

2010 Winter

Theory

CH1 - CELL STRUCTURE

(a) (i) Name the cells labelled A and the structure labelled B.A ........................................................................................

2013 Summer

Theory

CH10 - INFECTIOUS DISEASE

(a) Explain how the virus that causes measles is transmitted.............................................................................................

2013 Summer

Theory

CH7 - TRANSPORT IN PLANTS

(a) Transpiration is often described as an 'inevitable consequence of gas exchange in plants'.Explain what is meant by this statement....................

2013 Summer

Theory

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

Fig. 4.1 shows the two base pairs in a DNA molecule.(a) Name the bases labelled J and K and the bond labelled L.J .......................................

2013 Summer

Theory

CH4 - CELL MEMBRANES AND TRANSPORT

Fig. 5.1 shows a section of a cell surface membrane.(a) State the functions of structures P, Q and R.P ..................................................

2013 Summer

Theory

CH5 - THE MITOTIC CELL CYCLE

(a) Explain how uncontrolled cell division can result in cancer. ........................................................................................

2013 Summer

Theory

CH5 - THE MITOTIC CELL CYCLE

(a) The cells in Fig. 1.1 are from the same organism and look the same. The cells in Fig. 1.1(a) have been produced by mitosis and the cells in Fig. 1...

2013 Summer

Theory

CH7 - TRANSPORT IN PLANTS

Fig. 2.1 shows xylem tissue in a longitudinal section through the stem of a dicotyledonous plant. [Image_1: Fig. 2.1] (a) Describe and explain how the...

2013 Summer

Theory

CH10 - INFECTIOUS DISEASE

(a) Explain why tuberculosis (TB) is known as an infectious disease......................................................................................

2013 Summer

Theory

CH2 - BIOLOGICAL MOLECULES

Polysaccharides are synthesised by condensation reactions between monosaccharide or disaccharide subunits (monomers).(a) Name the type of bond formed ...

2013 Summer