Exploring DNA Techniques and Applications

What is the first step in the Polymerase Chain Reaction (PCR) process?

• Annealing

• Denaturation

• Extension

• Gel Electrophoresis

Which of the following is an application of Recombinant Gene Technology (RGT)?

• Weather forecasting

• Production of insulin

• Designing computer software

• Building bridges

Tags

NGSS.HS-LS1-1

What is the main purpose of DNA fingerprinting?

• To measure blood pressure

• To identify individuals

• To calculate body mass index

• To determine eye color

In gel electrophoresis, DNA fragments are separated based on their:

• Color

• Shape

• Size

• Temperature

Which of the following is an ethical issue associated with Recombinant Gene Technology?

• Increased rainfall

• Genetic privacy concerns

• Higher electricity bills

• Faster internet speeds

Tags

NGSS.HS-ETS1-3

During the PCR process, what is the role of the enzyme Taq polymerase?

• To break down DNA

• To synthesize new DNA strands

• To cool down the reaction

• To separate DNA strands

Which of the following is a common use of PCR in forensic science?

• Predicting weather patterns

• Identifying suspects in a crime

• Designing clothing

• Building houses

What is the purpose of the annealing step in PCR?

• To heat the DNA

• To allow primers to bind to the DNA template

• To cut the DNA into fragments

• To visualize DNA bands

Which technique is used to visualize DNA fragments after gel electrophoresis?

• X-ray imaging

• UV light exposure

• Magnetic resonance imaging

• Ultrasound

What is a potential risk of using Recombinant Gene Technology in agriculture?

• Increased crop yield

• Development of superweeds

• Improved soil quality

• Enhanced flavor of fruits

Tags

NGSS.HS-LS2-7