PLTW MI Unit 2

What is the primary focus of PLTW MI Unit 2?

• Human body systems

• Energy and the environment

• Principles of engineering

• Medical interventions

Tags

NGSS.HS-ETS1-2

NGSS.HS-LS1-2

Which of the following is a key concept in PLTW MI Unit 2 related to genetic testing?

• DNA replication

• Gene therapy

• Polymerase chain reaction (PCR)

• Photosynthesis

In the context of PLTW MI Unit 2, what is the purpose of a polymerase chain reaction (PCR)?

• To amplify DNA sequences

• To sequence proteins

• To measure enzyme activity

• To synthesize RNA

Which of the following is an example of a medical intervention discussed in PLTW MI Unit 2?

• Vaccination

• Photosynthesis

• Cellular respiration

• Newton's laws of motion

What type of biological molecule is primarily targeted in genetic testing?

• Proteins

• Lipids

• Carbohydrates

• DNA

Tags

NGSS.HS-LS3-2

In PLTW MI Unit 2, which technique is used to separate DNA fragments by size?

• Centrifugation

• Gel electrophoresis

• Chromatography

• Spectroscopy

What is the role of a primer in PCR?

• To initiate DNA synthesis

• To terminate DNA synthesis

• To degrade DNA

• To replicate RNA

Which of the following diseases can be detected using genetic testing techniques discussed in PLTW MI Unit 2?

• Diabetes

• Cystic fibrosis

• Influenza

• Malaria

What is the significance of the annealing step in PCR?

• To denature DNA

• To bind primers to the DNA template

• To extend the DNA strand

• To synthesize proteins

In PLTW MI Unit 2, what is a common application of gel electrophoresis?

• To measure blood pressure

• To separate DNA fragments

• To analyze protein structure

• To detect viruses