Biology EOC Macromolecule

Scientists isolate an organic macromolecule that plays a role in digestion. When this polymer is not present , the rate of one of the chemical reactions required for digestion decreases greatly.Which category of macromolecule are these scientists most likely studying?

• carbohydrate

• lipid

• nucleic acid

• protein

Which compounds interact to form proteins?

• nucleic acids

• amino acids

• simple sugars

• fatty acids

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Which statement describes a property shared by lipids and carbohydrates?

• both dissolve in water

• both are sources of energy in a cell

• both have the same number of oxygen atoms

• both have the same number of carbon-hydrogen bonds

What structural differences explains why lipids provide more energy than an equal mass of proteins or carbohydrates?

• lipids have more carbon-hydrogen bonds per gram than proteins or carbohydrates

• Lipids have more nitrogenous bases per gram than proteins or carbohyrdrates

• Lipids have more amino acids per gram tha proteins or carbohydrates

• Lipids have more simple sugars per gram than proteins or carbohydrates

Which of the following items is a polymer of glucose?

• starch

• cellulose

• glycogen

• All of These

Match the following macromolecules to what elements are found in them.

• Carbon

  Hydrogen

  Oxygen

  (Ring structure)

• Nucleic Acids

• Carbon

  Hydrogen

  Oxygen

  (E structure)

• Lipid

• Carbon

  Hydrogen

  Oxygen

  Nitrogen

  Phosphorus

• Carbohydrates

• Carbon

  Hydrogen

  Oxygen

  Nitrogen

• Protein

Single subunit of a polymer or macromolecule

• monosaccharide

• monocle

• monomer

• dimer

The framework of all organic macromolecules is made of straight chains, branched chains, and rings of

• Hydrogen

• Carbon

• Oxygen

• Phosphorous

• Nitrogen

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The element ______ is found in all of the organic compounds.

• Iron

• Nitrogen

• Carbon

• Oxygen

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Which statement BEST compares the roles of organelles in making proteins?

• Vesicles modify proteins,while golgi bodies manufacture proteins

• Rough ER transports proteins, while the cell membrane modifies them

• Chromosomes modify proteins, while the nuclear membrane produces proteins

• Ribosomes produce proteins, while the nucleus contains protein blueprints