Principles of Biomedical Sciences Module MIS1151 Quiz

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Questions and Answers

What is the main focus of the Biochemistry unit described in the text?

  • Exploring the structure and functions of biomolecules (correct)
  • Investigating the energy transfer processes in cells
  • Analyzing the genetic makeup of organisms
  • Studying chemical reactions in living organisms

Which of the following is NOT a learning outcome of the Biochemistry module?

  • Defining common biochemistry terminologies
  • Describing metabolic processes of biomolecules
  • Detailing the structure of proteins, carbohydrates, and lipids
  • Explaining chemical equilibrium in living organisms (correct)

What does chemical reactivity refer to?

  • The color change of a substance during a reaction
  • The ability of a substance to react with other substances (correct)
  • The physical state of a substance at room temperature
  • The stability of a substance in different environments

In chemical equilibrium, what does it mean when the rate of the forward reaction equals the rate of the backward reaction?

<p>There is no net change in concentrations of reactants and products (A)</p> Signup and view all the answers

Which type of chemical reaction involves two or more substances interacting with each other to lead to the final products?

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

What is thermodynamics concerned with?

<p>Investigating energy transfer and transformation (D)</p> Signup and view all the answers

What is the main function of cell metabolism?

<p>To synthesize biomolecules (A)</p> Signup and view all the answers

Which term refers to the sum of all biochemical reactions inside a living organism?

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

What type of reactions does anabolism involve?

<p>Synthesizing big molecules from small molecules (B)</p> Signup and view all the answers

Which biomolecules are mainly composed of amino acids linked by peptide bonds?

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

What is the role of enzymes and hormones in metabolic processes?

<p>Coordinating and regulating biochemical reactions (D)</p> Signup and view all the answers

In cell metabolism, what is catabolism responsible for?

<p>Breaking down polymers to monomers (A)</p> Signup and view all the answers

Which Greek alphabet letter is used to indicate the carbon atom where the amino group is attached in an amino acid?

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

Which of the following amino acids is considered 'semiessential' for growing children?

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

Where is the carboxyl group located in a polypeptide chain's structure?

<p>At the right-end (A)</p> Signup and view all the answers

How many essential amino acids are mentioned in the text?

<p>8 (D)</p> Signup and view all the answers

What type of bond is formed between amino acids in a protein structure?

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

Which amino acid is not synthesized by the body and therefore classified as 'essential'?

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

Flashcards

Biochemistry Unit Focus

Focuses on the structure and functions of biomolecules.

Chemical Reactivity

The ability of a substance to react with other substances.

Chemical Equilibrium

Forward and backward reaction rates are equal, resulting in no net change in reactant/product concentrations.

Synthesis Reactions

Two or more substances combine to form a product.

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Thermodynamics

The study of energy transfer and transformation.

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Cell Metabolism Function

To synthesize biomolecules.

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Metabolism

The sum of all biochemical reactions inside a living organism.

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Anabolism Reactions

Synthesizing large molecules from small molecules.

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Biomolecule Type Composed of Amino Acids

Proteins

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Enzymes and Hormones Role

Coordinating and regulating biochemical reactions.

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Catabolism Responsibility

Breaking down polymers to monomers.

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Amino Group Carbon Indicator

Α (Alpha)

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'Semiessential' Amino Acid

Histidine (H)

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Carboxyl Group Location

At the right-end

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Number of Essential Amino Acids

8

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Bond Formed Between Amino Acids

Covalent bond

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Non-Synthesized Amino Acid

Methionine (M)

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