Protein Basics and Functions

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 role do proteins play in transporting substances within the body?

  • They act as storage molecules for nutrients.
  • They provide structural support to cells.
  • They facilitate the movement of molecules across membranes. (correct)
  • They serve as a primary source of energy.

Which of the following is NOT a function of proteins?

  • Enzyme activity.
  • Regulatory roles.
  • Structural support.
  • Storage of genetic information. (correct)

Which type of protein is an example of a hormone?

  • Actin
  • Cerezyme
  • Insulin (correct)
  • Amylase

What was significant about Cerezyme in the context of proteins?

<p>It was the first recombinant protein to be mass produced. (B)</p> Signup and view all the answers

Which of the following biological molecules is made up of amino acids?

<p>Proteins (D)</p> Signup and view all the answers

What is the primary level of protein organization focused on?

<p>The sequence of amino acids in the polypeptide chain (B)</p> Signup and view all the answers

Which type of bonding is primarily involved in secondary protein structure?

<p>Hydrogen bonds (B)</p> Signup and view all the answers

Which statement accurately describes quaternary protein structure?

<p>It comprises more than one polypeptide subunit (A)</p> Signup and view all the answers

What is a primary function of proteins related to regulatory roles?

<p>Signaling between cells (C)</p> Signup and view all the answers

Which of the following is NOT a structural feature associated with tertiary protein structure?

<p>Peptide bonds (B)</p> Signup and view all the answers

Flashcards

Proteins: Structure

Proteins are complex molecules made from amino acids.

Protein Functions

Proteins have many roles, including regulating processes, providing structural support, and transporting substances.

Protein Examples

Examples of proteins include enzymes, hormones, and antibodies.

Enzyme Function

Enzymes are proteins that catalyze biochemical reactions.

Signup and view all the flashcards

Protein Diversity

Proteins have many different functions, and scientists are still discovering new ones.

Signup and view all the flashcards

Amylase/Protease/Lipase

Specific enzymes that break down carbohydrates, proteins, and fats, respectively. (e.g., Genzyme makes various enzymes.)

Signup and view all the flashcards

Recombinant Proteins

Proteins made in a lab using genetic engineering.

Signup and view all the flashcards

Cerezyme

An example of a recombinant protein.

Signup and view all the flashcards

Protein Composition

Proteins are made up of amino acids.

Signup and view all the flashcards

Protein Functions

Proteins perform many roles, including regulation, support, and transport.

Signup and view all the flashcards

Protein Examples

Examples include enzymes like amylase, antibodies, and hormones.

Signup and view all the flashcards

Enzymes

Proteins that speed up reactions in the body.

Signup and view all the flashcards

Primary Structure

The specific sequence of amino acids in a protein.

Signup and view all the flashcards

Secondary Structure

The folded shape caused by hydrogen bonding in a protein.

Signup and view all the flashcards

Tertiary Structure

The overall 3D shape of a protein due to various interactions.

Signup and view all the flashcards

Quaternary Structure

The structure formed when multiple protein subunits come together.

Signup and view all the flashcards

Recombinant Protein

Protein created in a lab through genetic engineering.

Signup and view all the flashcards

Cerezyme

A first mass-produced recombinant protein.

Signup and view all the flashcards

Amylase

Enzyme that breaks down carbohydrates.

Signup and view all the flashcards

Protease

Enzyme that breaks down proteins.

Signup and view all the flashcards

Study Notes

Protein Basics

  • Proteins are composed of amino acids.
  • Protein functions are diverse, including regulation, structural support, and transport.
  • The exact number of protein functions is substantial and not fully understood.
  • To understand their functions, protein structure is crucial.

Examples of Purified Proteins

  • Enzymes: catalyze reactions; examples include amylases, proteases, and lipases.
  • Genzyme manufactures various enzymes.
  • Hormones influence bodily functions.
  • Antibodies fight off infections.
  • Cerezyme was a significant early recombinant protein produced on a large scale.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

More Like This

Mastering Arginine
5 questions

Mastering Arginine

OptimisticRationality avatar
OptimisticRationality
Protein Structure and Function: Amino Acids
110 questions
Protein Structure and Function
28 questions

Protein Structure and Function

AppropriateChrysanthemum avatar
AppropriateChrysanthemum
Use Quizgecko on...
Browser
Browser