3microQA

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Author:
eingram
ID:
134702
Filename:
3microQA
Updated:
2012-05-01 17:48:44
Tags:
metabolism
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Description:
metabolism
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  1. What is known as all chemical reactions that occur in an organism?
    metabolism
  2. What are two categories of metabolism?
    • anabolism
    • catabolism
  3. What kind of reactions is anabolism and catabolism?
    • anabolism: building up
    • catabolism: breaking down
  4. What kind of energy use do anabolism and catabolism have?
    • anabolism: releases energy
    • catabolism: requires energy
  5. What are the functions of enzymes?
    speed up chemical reactions, such as metabolism
  6. What are enzymes made of?
    protein
  7. When do enzymes denature and lose shape?
    • high heat
    • low acidic pH
    • high alkaline basic pH
  8. What are two types of enzyme inhibitors?
    • competitive inhibitors
    • heavy metals
  9. What do competitive inhbitors do to enzymes?
    • antibiotics take shape of received enzyme's food
    • stops enzyme from metabolizing for bacteria
    • bacteria die
  10. How do heavy metals inhibit enzymes?
    they change the shape of the enzyme so it has no active site
  11. What are two ways microogranisms produce energy?
    • fermentation
    • aerobic respiration
  12. What 3 steps happen in fermentation?
    • glycolysis breaks down glucose into ATP and pyruvic acid
    • cell combines pyruvic acid with ATP
    • produces gas, alcohol, and acid
  13. What happens in aerobic respiration?
    • glycolysis breaks down glucose into ATP and pyruvic acid
    • Kreb's cycle seperates pyruvic acid to make ATP, carbon dioxide, and electron pairs
    • ETC uses electronic pairs to create CO2 and H2O
  14. What does ETC stand for, and where is it found?
    • electronic transport chain
    • aerobic respiration
  15. How many ATP molecules can fermentation and aerobic repsiration make?
    • fermentation: 2
    • aerobic repsiration: 38
  16. How many carbon do glucose and pyruvic acid have?
    • glucose: 6 C
    • pyruvic acid: 3 C

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