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...

10 Questions

1 Views

Cell Genetic Material and DNA

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 is the purpose of adding pineapple juice in the procedure?

To deactivate the DNA-destroying enzyme DNAse

To extract RNA from the solution

To speed up the rate of chemical reactions

To break down the cell membrane (correct)

Which enzyme is disabled by adding pineapple juice?

DNAse (correct)

Helicase

Ligase

RNA polymerase

What is the purpose of adding ethyl alcohol after pineapple juice in the procedure?

Break down the cell membrane

Activate the DNA-destroying enzyme

Dehydrate and precipitate DNA (correct)

Stabilize RNA

Which component of the mixture precipitates at the water/alcohol interface?

DNA Signup and view all the answers

What is the function of liquid detergent in the procedure?

To break down cell membrane Signup and view all the answers

What is one of the key requirements for an organism to be considered a cell?

Possession of genetic material Signup and view all the answers

Which macromolecule encodes all the biological information about the cell?

DNA Signup and view all the answers

Why is the DNA referred to as the molecular blueprint of life?

Due to its ability to carry genetic information and pass on traits Signup and view all the answers

What is a crucial function of DNA in relation to cell reproduction?

Self-replication Signup and view all the answers

How is lysing the cell of a piece of fruit achieved in DNA isolation?

Blending or smashing the fruit Signup and view all the answers