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AQA Biology Year 11 GCSE: DNA and Genetic Engineering Quiz

6 Questions

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AQA Biology Year 11 GCSE: DNA and Genetic Engineering Quiz

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Questions and Answers

What is the primary function of DNA in living organisms?

To catalyze cellular reactions

To store and transmit genetic information (correct)

To regulate the growth of cells

To provide energy for cellular processes

Which of the following is a potential application of genetic engineering?

Converting DNA into ATP for energy production

Controlling the body temperature of organisms

Enhancing the sense of smell in animals

Modifying crop plants to be resistant to pests (correct)

What is the role of restriction enzymes in genetic engineering?

Repairing damaged DNA strands in cells

Regulating the expression of genes in prokaryotic organisms

Increasing the rate of transcription in eukaryotic cells

Cutting DNA at specific sequences to produce recombinant DNA (correct)

What is the function of DNA ligase in genetic engineering?

To join DNA fragments together Signup and view all the answers

In genetic engineering, what is the purpose of using a plasmid as a vector?

To transfer genes into another organism Signup and view all the answers

What is the significance of polymerase chain reaction (PCR) in DNA analysis?

To amplify DNA sequences Signup and view all the answers

Study Notes

DNA Function and Genetic Engineering

The primary function of DNA in living organisms is to store genetic information and pass it from one generation to the next.

Genetic Engineering Applications

A potential application of genetic engineering is to introduce desirable traits into organisms, such as pest resistance or drought tolerance in crops.

Restriction Enzymes

Restriction enzymes are used in genetic engineering to cut DNA molecules at specific recognition sites, allowing for the insertion of desired genes into a vector.

DNA Ligase

DNA ligase is an enzyme used in genetic engineering to seal gaps in DNA strands, forming covalent bonds between adjacent nucleotides.

Plasmid Vectors

Plasmids are used as vectors in genetic engineering to transport genes into host cells, allowing for the expression of desired traits.

Polymerase Chain Reaction (PCR)

PCR is a laboratory technique used to amplify specific DNA sequences, enabling the analysis of small DNA samples and facilitating genetic engineering and forensic applications.

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Description

Test your knowledge of DNA and genetic engineering with this quiz designed for Year 11 GCSE students studying AQA Biology. Explore questions related to DNA structure, genetic mutations, gene editing, and the applications of genetic engineering in biotechnology and medicine.