Proteins

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Questions and Answers

Which of the following is a function of proteins in the body?

  • Regulation of body temperature
  • Transport of substances (correct)
  • Storage of genetic information
  • Production of ATP

Which of the following is an example of a protein with a defense function?

  • Insulin
  • Histones
  • Muscle proteins
  • Immunoglobulins (correct)

Which proteins control gene expression and translation?

  • Insulin
  • Haemoglobin
  • Histones (correct)
  • Muscle proteins

Which of the following is an example of a protein involved in the contraction of muscles?

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

What is the Greek origin of the term 'protein'?

<p>Proteios meaning holding first place (C)</p> Signup and view all the answers

Which of the following is not a function of proteins in the body?

<p>Energy storage (B)</p> Signup and view all the answers

Which of the following is not an example of a protein's essential function in mammalians?

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

Which protein is involved in the transport of oxygen in the body?

<p>Haemoglobin (C)</p> Signup and view all the answers

Which protein is an example of a hormone that controls biochemical events?

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

Which protein is involved in the defense against bacterial or viral infections?

<p>Immunoglobulins (C)</p> Signup and view all the answers

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Study Notes

Functions of Proteins in the Body

  • Proteins have various functions in the body, including defense, muscle contraction, and transport of oxygen.

Proteins with Defense Function

  • An example of a protein with a defense function is an antibody, which helps to fight against infections.

Regulatory Proteins

  • Proteins involved in controlling gene expression and translation are called regulatory proteins.

Muscle Contraction

  • Actin is an example of a protein involved in the contraction of muscles.

Origin of the Term 'Protein'

  • The term 'protein' originates from the Greek word 'proteios', meaning 'of first importance'.

Non-Functions of Proteins

  • An example of something that is not a function of proteins in the body is the production of ATP.

Essential Functions in Mammalians

  • An example of something that is not an essential function of proteins in mammals is the production of light.

Oxygen Transport

  • Hemoglobin is a protein involved in the transport of oxygen in the body.

Hormonal Proteins

  • Insulin is an example of a protein that is a hormone and controls biochemical events.

Defense Against Infections

  • Interferons are proteins involved in the defense against bacterial or viral infections.

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