Biomolecules
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Questions and Answers

What is the general name of the simplest monosaccharides with three carbon atoms?

  • Polysaccharides
  • Trioses (correct)
  • Hexoses
  • Pentoses

    • What is the name of the pentose commonly found in nature?

  • Ribose (correct)
  • Fructose
  • Dihydroxyacetone
  • Glucose

    • Which of the following monosaccharides does not contain asymmetric carbon atoms?

  • Glucose
  • Fructose
  • Dihydroxyacetone (correct)
  • Glyceraldehyde

    • What is the name of the hexose commonly found in sweet fruits, especially grapes?

    <p>Glucose</p> Signup and view all the answers

    What is the name of the reaction that forms glucosate from glucose?

    <p>Reaction with metallic hydroxides</p> Signup and view all the answers

    What is the characteristic of glucose that makes it a weak acid?

    <p>It behaves as a weak acid</p> Signup and view all the answers

    What is the general formula of disaccharides that yield two hexoses on hydrolysis?

    <p>C12 H 22 O11</p> Signup and view all the answers

    What is the product of hydrolysis of sucrose?

    <p>Glucose + Fructose</p> Signup and view all the answers

    What is the process of converting an aldose to its isomeric ketose?

    <p>Three-step process involving oxime formation</p> Signup and view all the answers

    What is the product of hydrolysis of lactose?

    <p>Glucose + Galactose</p> Signup and view all the answers

    What is the purpose of Ruff Degradation?

    <p>Shortening the chain length of aldoses</p> Signup and view all the answers

    What is the product of hydrolysis of maltose?

    <p>Glucose + Glucose</p> Signup and view all the answers

    What is the general formula for carbohydrates?

    <p>$C_nH_{2n}O_n$</p> Signup and view all the answers

    What is the term for carbohydrates with an aldehydic structure?

    <p>Aldoses</p> Signup and view all the answers

    How many carbon atoms can be present in a monosaccharide molecule?

    <p>Between 3 and 9</p> Signup and view all the answers

    What is the term for carbohydrates with a ketonic structure?

    <p>Ketoses</p> Signup and view all the answers

    What is the suffix of simpler carbohydrates?

    <p>-ose</p> Signup and view all the answers

    What is the term for a carbohydrate that can be broken down into polyhydric aldehydes or ketones?

    <p>Carbohydrate</p> Signup and view all the answers

    Which vitamin deficiency is associated with symptoms such as cheilosis, digestive disorders, and burning sensations in skin and eyes?

    <p>Vitamin B2</p> Signup and view all the answers

    Which coenzyme is involved in oxidative metabolism and is required for the proper functioning of the heart?

    <p>NAD</p> Signup and view all the answers

    Which vitamin is essential for the synthesis of collagen, cartilage, bone, teeth, and connective tissue?

    <p>Vitamin C</p> Signup and view all the answers

    What is the chemical formula for Vitamin H (Biotin)?

    <p>C10H16N2O3S</p> Signup and view all the answers

    Which vitamin deficiency is associated with symptoms such as pellagra, dermatitis, and diarrhoea?

    <p>Vitamin B3</p> Signup and view all the answers

    What is the role of coenzyme FAD in the body?

    <p>Involved in oxidative metabolism</p> Signup and view all the answers

    Which vitamin is a derivative of a monosaccharide?

    <p>Vitamin C</p> Signup and view all the answers

    What is the name of the protein hormone that consists of 51 amino acids?

    <p>Insulin</p> Signup and view all the answers

    Which of the following is a nucleoside?

    <p>Adenosine</p> Signup and view all the answers

    What is the name of the complex responsible for the red color of haemoglobin?

    <p>Heme</p> Signup and view all the answers

    What is the pH range maintained by the bicarbonate/carbonic acid system in the blood?

    <p>7.36-7.42</p> Signup and view all the answers

    Which vitamins contain isoprene units?

    <p>Vitamin K and Vitamin A</p> Signup and view all the answers

    Which vitamin is essential for oxidative metabolism and combines with phosphoric acid to form coenzyme FAD?

    <p>Vitamin B2</p> Signup and view all the answers

    What is the function of Vitamin B3 in the body?

    <p>Important component of Co-A required for oxidative metabolism</p> Signup and view all the answers

    Which of the following vitamins is a major component of coco-carboxylase enzyme?

    <p>Vitamin B1</p> Signup and view all the answers

    What is the role of Coenzyme NAD in the body?

    <p>Not mentioned in the provided text</p> Signup and view all the answers

    What is the function of Vitamin B2 in the body?

    <p>Combines with phosphoric acid to form coenzyme FAD</p> Signup and view all the answers

    What is the name of the enzyme that requires Vitamin B1?

    <p>Coco-carboxylase</p> Signup and view all the answers

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