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Biology Macromolecules and Enzymes Quiz

Quiz by Carlos Crawford

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18 questions
Show answers
  • Q1

    RNA and DNA are which type of organic compound? 

    Protein

    Lipid

    Nucleic Acid

    Carbohydrate

    300s
  • Q2

    A sugar, a phosphate group and a nitrogen base form the building blocks of which organic compound?

    Carbohydrates

    Nucleic Acids

    Proteins

    Lipids

    300s
  • Q3

    What will most likely happen if an appropriate enzyme is added to a chemical reaction? 

    The equilibrium of the reaction will be maintained. 

    The reaction rate will increase.

    The reaction rate will decrease

    The reaction will stop. 

    300s
  • Q4

    In humans, glucose is kept in balance in the bloodstream by insulin. which concept does this best illustrate?

    organization

    metabolism

    homeostasis

    adaptation

    300s
  • Q5

    Which most directly controls the rate at which food is broken down to release energy?

    hormones

    vitamins

    nucleic acids

    enzymes

    300s
  • Q6

    Which type of molecule do whales use for energy storage and insulation?

    DNA

    glucose

    fat

    starch

    300s
  • Q7

    During which phase of the cell cycle is the cell growing and preparing for cellular division?

    interphase

    cytokinesis

    anaphase

    prophase

    300s
  • Q8

    In which organelle are proteins produced?

    mitochondria

    ribosome

    vacuole

    nucleus

    300s
  • Q9

    What are the subunits of carbohydrates and their function? 

    lipids that sore energy and provide insulation

    monosaccharides that provide quick energy for the cell

    proteins that provide the building blocks for the structural components of organisms. 

    nucleotides that store information

    300s
  • Q10

    What type of organic molecules are enzymes?

    proteins

    lipids

    carbohydrates

    nucleic acids

    300s
  • Q11

    Waxes create a waterproof layer on the outside of some living organisms. To which group of organic molecules do waxes belong?

    proteins

    carbohydrates

    lipids

    nucleic acids

    300s
  • Q12

    Salivary amylase is an enzyme in humans that breaks down starches. What substance would humans have difficulty digesting without this enzyme?

    proteins

    nucleic acids

    lipids

    carbohydrates

    300s
  • Q13

    Which best explains why the rate of biochemical reaction decreases at high temperatures?

    The bonds between substrates are broken. 

    The activation energy increases.

    The enzyme-substate complex forms.

    The shape of the enzyme changes.

    300s
  • Q14

    What would most likely be produced when a cell with 8 chromosomes undergoes mitosis? 

    four cells with eight chromosomes each

    four cells with four chromosomes each

    two cells with four chromosomes each

    two cells with eight chromosomes each

    300s
  • Q15

    Which molecules are joined together to make proteins?

    nucleic acids

    fatty acids

    acetic acids

    amino acids

    300s

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