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...

3 Questions

0 Views

Alpha-Keratins

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 of the following is NOT a characteristic of α-keratins?

They lack alpha-helix-breaking amino acids

Their structural unit is a α-helical polypeptide

They are found in the outer epidermal layer of mammals (correct)

They are very insoluble in water

Which amino acids are abundant in α-keratins and promote the formation of alpha-helices?

Methionine and phenylalanine

Alanine and glycine (correct)

Leucine and valine

Proline and cysteine

What makes α-keratins resistant to stretching under normal conditions?

Their abundance in hair and nails

Their inter-helix disulfide bridges (correct)

Their insolubility in water

The presence of proline amino acids

Alpha-Keratins

Choose a study mode

Podcast

Questions and Answers

Which of the following is NOT a characteristic of α-keratins?

Which amino acids are abundant in α-keratins and promote the formation of alpha-helices?

What makes α-keratins resistant to stretching under normal conditions?

More Like This

Alpha-Keratin Quiz

Alpha Kappa Alpha Quiz: Test Your Knowledge

Alpha Phi Alpha History Quiz

Alpha Kappa Alpha Founders Quiz & Flashcards

Upgrade to continue