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...

Amino Acids and Proteins in Living Systems

12 Questions

0 Views

Amino Acids and Proteins in Living Systems

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 typical number of different proteins found in a cell?

20000

15000

5000

9000 (correct)

What is the primary function of proteins in the body?

To synthesize DNA

To catalyze reactions in living systems (correct)

To provide energy for the body

To regulate body temperature

What is the term used to describe the form of amino acids with both positive and negative charges?

Zwitterion (correct)

Ionized

Polarized

Neutralized

Which of the following amino acids does not have a stereocenter at the a-carbon?

Glycine Signup and view all the answers

What is the term used to describe the shape of proteins that are found in skin, bone, hair, and nails?

Fibrous Signup and view all the answers

What is the role of proteins in the diet?

To provide nitrogen and sulfur for the diet Signup and view all the answers

What is the pH at which the majority of molecules of an amino acid have no net charge?

7.0 Signup and view all the answers

Which of the following amino acids is a key precursor to neurotransmitters?

Tryptophan Signup and view all the answers

What is the term for the modification of amino acids by certain organisms after biosynthesis?

Post-translational modification Signup and view all the answers

What is the term for a molecule composed of 3 amino acids joined by peptide bonds?

Tripeptide Signup and view all the answers

What is the side chain of the amino acid cysteine?

Sulfhydryl Signup and view all the answers

What is the term for the bond between the a-carboxyl group of one amino acid and the a-amino acid group of another amino acid?

Peptide bond Signup and view all the answers