Microbial Metabolism Chapter 5 Question Preview (ID: 43828)
Chapter 5.
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What are metal non-protein molecules that are inorganic known as?
a) cofactors
b) coenzymes
c) simple enzymes
d) metabolism
What are coenzymes?
a) metal non-protein molecules (inorganic)
b) simple molecules
c) vitamin non-protein molecules (organic)
d) none of these
What are holoenzymes or conjugated enzymes?
a) consists of protein alone
b) consist of a protein and one or mor non-protein molecules
c) consists of no protein
d) are a non-protein molecule
What are the two types of enzymes called?
a) simple enzymes and holoenzymes (conjugated enzymes)
b) coenzymes and cofactors
c) vitamins and minerals
d) proteins and non-proteins
What are the two forms of Metabolism?
a) Enzymes and Proteins
b) Meatabolism alone
c) There isn't two forms
d) Anabolism and Catabolism
What are some of the characteristics of an enzyme?
a) they are biological catalysts that decrease the activation energy for a reaction and thus speeding up reactions
b) Speed up the reaction w/out being used up or changed
c) Some consist solely of protein while others are made up of a protein plus a non-protein portion
d) All of the above
what is the function of the active site?
a) it has not funtion
b) a deep groove on an enzyme surface where a specific reactant (substrate) attatches and is altered (bonds broken or made)
c) speeds up reaction without being used up or changed
d) consists solely of proteins
What do simple enzymes consist of?
a) protiens alone
b) sugars alone
c) fats alone
d) nothing
What are enzymes?
a) small molecules
b) biological catalysts that speed up the rate of a reaction withou being changed or used up in the process
c) energy
d) all proteins
What is the duty of Biological Catalysts?
a) it has no duties
b) increase energy levels
c) slow down reactions
d) decrease the activation energy for a reaction and thus speed up reactions.
What are metabolic reactions driven by?
a) Enzymes
b) Metabolism
c) Anabolism
d) Catabolism
Define Anabolism
a) Metabolic Reactions
b) The breakdown of larger molecules into smaller ones
c) Enzymes
d) Building smaller molecules into larger ones
What requires energy that is aquired by the breakdown of ATP within the cell?
a) Anabolism
b) Metabolism
c) Catabolism
d) Enzymes
What yields energy that can be converted into ATP within the cell?
a) Enzymes
b) Meatabolism
c) Catabolism
d) Anabolism
What is Catabolism?
a) Building smaller molecues into larger ones.
b) Breakdown of larger molecules into smaller ones.
c) Metabolic reactions are driven by enzymes.
d) all chemical reations that occur in a cell or living organism.
What is Metabolism?
a) All the chemical reations that occur in a cell or living organism.
b) The breakdown of larger molecules into smaller ones.
c) Building smaller molecules
d) Not sure what meatabolism is
What is the term induced fit also known as?
a) chemical specificity
b) lock and key
c) hand in glove model
d) All of the above
what are enzymes affected by?
a) All of these
b) ph
c) temperature
d) enzyme inhibitors
What happens to enzymes when temperature is past its optimal limit?
a) Denurturation
b) They live longer
c) Growth
d) Adaptation
Apoenzyme + Coenzyme or Cofactor =
a) Holoenzyme
b) Enzyme
c) Proteins
d) Nothing
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