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

0 Views

Chromatin Fibres and DNA Structure

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

How many hydrogen bonds are formed between Adenine and Thymine?

Two

What are the four types of nitrogenous bases found in DNA?

Adenine (A), Guanine (G), Cytosine (C), Thymine (T)

What is the basic structure of a nucleotide?

Phosphate, sugar, and nitrogenous base

What is the role of histone proteins in DNA structure?

Histones help in the coiling and packaging of DNA into nucleosomes. Signup and view all the answers

How do Guanine and Cytosine pair in DNA?

With three hydrogen bonds Signup and view all the answers

Who first studied the shape of the DNA molecule?

Rosalind Franklin Signup and view all the answers

Who finally worked out the structure of the DNA molecule?

Watson and Crick Signup and view all the answers

What is the molecular structure of DNA described as?

Macromolecule Signup and view all the answers

What are the two main substances that form the chromatin fibre?

DNA and Histones Signup and view all the answers

What is the composition of a DNA molecule?

Two complementary strands wound around each other in a double helix Signup and view all the answers