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...

15 Questions

2 Views

DNA and RNA

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

Which term refers to the passing on of characteristics from one generation to the next by genes?

Gene expression

Chromosome structure

Heredity (correct)

Alleles

What is a gene?

A structure that holds chromatids together

A feature or a protein produced from a gene

A specific position on a chromosome

A length of DNA on a chromosome that codes for a protein (correct)

What is gene expression?

The specific position of a gene on a chromosome

The structure of a chromosome

The passing on of characteristics from one generation to the next by genes

The process by which the information from a gene is used to produce a feature or a protein (correct)

What is the locus of a gene?

The specific position on a chromosome where a gene is located Signup and view all the answers

What are alleles?

Different options of a gene, either dominant or recessive Signup and view all the answers

What is the structure of a chromosome?

An organized length of DNA and proteins called histones Signup and view all the answers

Who discovered the molecular structure of DNA?

James Watson and Francis Crick Signup and view all the answers

Which of the following is true about DNA replication?

DNA replication requires ATP and DNA polymerase Signup and view all the answers

Which of the following is a difference between RNA and DNA?

RNA has the base thymine while DNA has uracil Signup and view all the answers

What is the function of messenger RNA (mRNA)?

Carries information from the DNA to the ribosomes Signup and view all the answers

What is the purpose of DNA profiling?

To produce a unique pattern of bands from DNA Signup and view all the answers

What is the role of gel electrophoresis in DNA profiling?

To separate DNA fragments based on their size Signup and view all the answers

What is genetic screening used for?

To check for the presence or absence of a particular allele or gene Signup and view all the answers

What is the purpose of adding a radioactive or fluorescent marker to a DNA sample in genetic screening?

To label a particular allele or gene Signup and view all the answers

What are the four bases found in DNA?

Adenine, Thymine, Guanine, Cytosine Signup and view all the answers