Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

16 Questions

2 Views

Recombinant DNA Diagnostics Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are DNA microarrays sometimes called?

Genomic arrays

Gene slides

Nucleic acid plates

DNA chips (correct)

What is the size of DNA microarray supports typically compared to?

A pipette tip

A test tube

A petri dish

A microscope slide (correct)

What is the purpose of an expression microarray?

To synthesize gene-specific oligonucleotides

To detect single nucleotide polymorphisms

To measure gene expression (mRNA) (correct)

To compare genomic DNA samples

What does a comparative genomic microarray detect?

Loss or gain of genomic DNA Signup and view all the answers

How are the DNA samples attached to the support phase in a DNA microarray chip?

Spotted, printed, or synthesized directly Signup and view all the answers

What is the main technology underlying the development of DNA microarrays?

Genomics, PCR, and nucleic acid hybridization Signup and view all the answers

What is the purpose of the RT-PCR technique in COVID-19 detection?

To transcribe and amplify specific SARSCoV-2 genomic sequence Signup and view all the answers

Which body parts are samples taken from for COVID-19 detection using RT-PCR technique?

Nose and throat Signup and view all the answers

What does a lower Ct value in RT-PCR indicate?

Higher viral loads, indicating a positive COVID-19 case Signup and view all the answers

What is the purpose of the TaqMan probe in RT-PCR?

To release a fluorescent dye when attached to DNA strands Signup and view all the answers

How many cycles does RT-PCR usually go through?

35 Signup and view all the answers

What does a higher Ct value in RT-PCR indicate?

Higher viral loads, indicating a positive COVID-19 case Signup and view all the answers

What is the main limitation of RT-PCR technique for COVID-19 detection mentioned in the text?

Possible cross contamination with other viral species Signup and view all the answers

What is measured by the computer during RT-PCR?

Amount of fluorescence in the sample after each cycle Signup and view all the answers

What is used to purify the sample taken for COVID-19 detection using RT-PCR?

Chemical solutions that remove substances such as proteins and fats Signup and view all the answers

What is tracked by the computer during RT-PCR?

Fluorescence in real time on the screen Signup and view all the answers