Theory

CH19 - GENETIC TECHNOLOGY

(a) Identify structure X in Fig. 6.1.....................................................................................................................

2024 Spring

3

Theory

CH19 - GENETIC TECHNOLOGY

(a) Explain what is meant by genetic engineering. .......................................................................................................

2024 Winter

3

Theory

CH19 - GENETIC TECHNOLOGY

(a) State one reason why a doctor would recommend that a person has genetic testing for a mutation in the gene BRCA1 and explain why this mutation wou...

2024 Summer

3

Theory

CH19 - GENETIC TECHNOLOGY

White-clawed crayfish, Austropotamobius pallipes, live in rivers and lakes in Europe. In the 1850s, the North American signal crayfish, Pacifastacus l...

2024 Summer

2

Theory

CH19 - GENETIC TECHNOLOGY

Scientists use many different techniques in genetic engineering. (a) Sometimes the gene for genetic engineering cannot be extracted from the donor or...

2024 Winter

3

Theory

CH19 - GENETIC TECHNOLOGY

It has been hypothesised that the mutation rate of an animal species may affect how fast animals of that species age and how long they live (lifespan)...

2024 Summer

3

Theory

CH19 - GENETIC TECHNOLOGY

(a) (i) Genetic engineering uses specific enzymes and commonly involves the use of plasmids for the transfer of genes into an organism. Four enzymes t...

2024 Summer

2

Theory

CH19 - GENETIC TECHNOLOGY

BRCA2 is a tumour-suppressor gene. Its gene product, BRCA2, is involved in DNA repair. If the DNA cannot be repaired, BRCA2 has a role in causing the ...

2024 Summer

4

Theory

CH19 - GENETIC TECHNOLOGY

Scientists use many different techniques in genetic engineering.(a) Sometimes the gene for genetic engineering cannot be extracted from the donor orga...

2024 Winter

Theory

CH19 - GENETIC TECHNOLOGY

Medicine is defined as the diagnosis, treatment and prevention of disease. Outline the different ways in which genetic technology can be applied to m...

2023 Winter

2

MCQ

CH1 - CELL STRUCTURE

Which of the cell organelles will be clearly visible under the high power (×400) of the light microscope? [Table_1]

2016 Summer

3

MCQ

CH1 - CELL STRUCTURE

The drawing from an electron micrograph shows a ciliated epithelial cell, magnified \times 1500, which is found in the trachea. Line X-Y shows the wid...

2016 Summer

2

MCQ

CH1 - CELL STRUCTURE

What are correct locations of ribosomes in the typical eukaryotic cell?1. free in the cytoplasm2. attached to the outside of the endoplasmic reticulum...

2016 Summer

4

MCQ

CH1 - CELL STRUCTURE

Visking tubing is an artificial partially permeable membrane used to demonstrate diffusion. Glucose molecules can pass through the pores in the membra...

2016 Summer

3

MCQ

CH1 - CELL STRUCTURE

What are found in both chloroplasts and typical prokaryotic cells?

2016 Summer

4

MCQ

CH2 - BIOLOGICAL MOLECULES

Two solutions, 1 and 2, one containing starch and sucrose, and the other containing glucose and protein, were tested with a variety of reagents to con...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

X and Y are two monomers found in biological polymers.[Image: Monomers X and Y]Which monomer is found in each of cellulose, glycogen, amylopectin and ...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Chitin is a polysaccharide consisting of long straight chains of the monosaccharide acetylglucosamine, linked by 1,4 glycosidic bonds.Acetylglucosamin...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Which statement about triglycerides is correct?

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagrams show the structures of two amino acids, one of which has two amine (–NH₂) groups and the other has two carboxylic (–COOH) groups. ...

2016 Summer

3