Biology Quiz on Fats and Proteins
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Questions and Answers

What is the effect of saturated fats on cholesterol levels?

  • They have no effect on cholesterol levels.
  • They raise LDL levels. (correct)
  • They raise HDL levels.
  • They lower LDL levels.

What is the primary monomer that makes up proteins?

  • Carbohydrates
  • Nucleotides
  • Amino acids (correct)
  • Fatty acids

Which statement describes the purpose of proteins in the body?

  • Provide a source of quick energy.
  • Transport oxygen in the blood.
  • Store genetic material.
  • Repair muscle microtears. (correct)

What characteristic indicates a positive test for proteins using Biuret solution?

<p>Color changes to purple. (B)</p> Signup and view all the answers

What are nucleic acids primarily responsible for?

<p>Carrying genetic information. (C)</p> Signup and view all the answers

What type of fat is primarily responsible for raising bad cholesterol levels in the body?

<p>Trans Fats (B), Saturated Fats (C)</p> Signup and view all the answers

Which type of cholesterol is known as 'good' cholesterol and helps clear out arteries?

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

What is a common health consequence of consuming high levels of saturated fats?

<p>Plaque buildup in arteries (C)</p> Signup and view all the answers

Which types of fats are linked to better nutrient absorption in the body?

<p>Unsaturated Fats (A)</p> Signup and view all the answers

Which type of fat is not normally produced by the body and may lead to heart disease when consumed in excess?

<p>Saturated Fats (A)</p> Signup and view all the answers

Flashcards

Saturated Fat

A type of fat that raises bad cholesterol (LDL), potentially leading to plaque buildup and heart disease.

Unsaturated Fat

A type of fat that helps your body absorb nutrients and is linked to brain health.

Trans Fat

A type of fat that is created artificially and raises bad cholesterol (LDL), increasing the risk of heart disease.

LDL (Low Density Lipoprotein)

A type of cholesterol that is considered 'bad' and can lead to plaque buildup in arteries.

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HDL (High Density Lipoprotein)

A type of cholesterol considered 'good' because it helps clear out plaque buildup in arteries.

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Amino Acid

The building block of proteins, containing an amino group, a carboxyl group, and a unique side chain.

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Polypeptide

The molecule that forms when many amino acids join together, forming a chain.

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DNA (Deoxyribonucleic Acid)

A type of nucleic acid that serves as the genetic blueprint for all living organisms, containing information for building and maintaining cells.

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