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Test

L3 Molecular Composition of Cells

Mer Scott 15 preguntas 5,0 (1 valoración)

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Preguntas del test (15)

  1. 1Amino acids, simple carbohydrates, and lipids are examples of:
    1. A"Building blocks"
    2. BMacromolecules
    3. COrganelles
  2. 2Proteins, DNA (nucleic acid), and complex carbohydrates are examples of:
    1. AMacromolecules
    2. BOrganelles
    3. CMonosaccharides
  3. 3Macromolecules form supramolecular assemblies. Which of these examples are NOT a supramolecular assembly?
    1. AMembranes
    2. BRibosomes
    3. CChromatin
    4. DMitochondria
  4. 4Which of these "building blocks" cannot be polymerised?
    1. AAmino acids
    2. BSimple carbohydrates
    3. CNeucleobases
    4. DLipids
  5. 5Which statement about macromolecules is INCORRECT?
    1. AMonosaccharides and disaccharides are simple carbohydrates.
    2. BMonosaccharides and disaccharides are what we call sugars.
    3. CA disaccharide is made up of two monosaccharides.
    4. DA polysaccharide is made up more than 10 monosaccharides.
    5. EA polysaccharide is a simple carbohydrate.
  6. 6Hexose monosaccharides make up [blank_start]higher order carbohydrates[blank_end]. Pentose monosaccharides make up [blank_start]nucleic acids[blank_end] e.g. deoxyribose, ribose.
    1. Ahigher order carbohydrates
    2. Bnucleic acids
  7. 7Which of these statements/"equations" is false?
    1. AGlucose + Fructose = Sucrose
    2. BGalactose + Glucose = Lactose
    3. CGlucose + Glucose = Maltose
    4. DFructose + Galactose = Trehalose
  8. 8Which of these statements about carbohydrates are true?
    1. AStarch and cellulose are polysaccharides found in plants.
    2. BGlycogen is the complex carbohydrate found in animals.
    3. CCellulose is formed from β-glucose monomers.
    4. Dβ-glucose has all its -OH groups on the same side.
    5. Eα-glucose is an isomer of the glucose molecule with the -OH groups on different sides.
    6. FStarch and glycogen are made up of α-glucose monomers.
  9. 9Glucose can be in a [blank_start]linear[blank_end] form, which is more reactive, or in a [blank_start]ring[blank_end] form, which is more stable.
    1. Alinear
    2. Bring
    3. Cring
    4. Dlinear
  10. 10Which of the following is NOT a function or carbohydrates?
    1. ACell recognition
    2. BStorage of energy
    3. CStructure
    4. DSynthesis of proteins

Información

Descripción
Objectives: List the major atomic constituents of biological macromolecules. • Describe the relationship between molecular “building blocks” and higher order of structures in cells. • Identify the structures of the major types of biomolecules in cells. • Describe, with examples, the roles of carbohydrates, lipids, proteins and nucleic acids in cells.
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