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Microbial Metabolism Chapter 5
Test Description: Chapter 5
Instructions: Answer all questions to get your test result.
1) What is Metabolism?
A
Not sure what meatabolism is
B
All the chemical reations that occur in a cell or living organism.
C
The breakdown of larger molecules into smaller ones.
D
Building smaller molecules
2) What is Catabolism?
A
Metabolic reactions are driven by enzymes.
B
Breakdown of larger molecules into smaller ones.
C
all chemical reations that occur in a cell or living organism.
D
Building smaller molecues into larger ones.
3) What yields energy that can be converted into ATP within the cell?
A
Catabolism
B
Enzymes
C
Meatabolism
D
Anabolism
4) What requires energy that is aquired by the breakdown of ATP within the cell?
A
Anabolism
B
Catabolism
C
Metabolism
D
Enzymes
5) Define Anabolism
A
Enzymes
B
Building smaller molecules into larger ones
C
The breakdown of larger molecules into smaller ones
D
Metabolic Reactions
6) What are metabolic reactions driven by?
A
Enzymes
B
Anabolism
C
Metabolism
D
Catabolism
7) What are enzymes?
A
biological catalysts that speed up the rate of a reaction withou being changed or used up in the process
B
all proteins
C
energy
D
small molecules
8) What is the duty of Biological Catalysts?
A
slow down reactions
B
it has no duties
C
decrease the activation energy for a reaction and thus speed up reactions.
D
increase energy levels
9) What do simple enzymes consist of?
A
sugars alone
B
nothing
C
protiens alone
D
fats alone
10) what is the function of the active site?
A
speeds up reaction without being used up or changed
B
consists solely of proteins
C
it has not funtion
D
a deep groove on an enzyme surface where a specific reactant (substrate) attatches and is altered (bonds broken or made)
11) What are the two forms of Metabolism?
A
There isn't two forms
B
Meatabolism alone
C
Anabolism and Catabolism
D
Enzymes and Proteins
12) What are some of the characteristics of an enzyme?
A
Some consist solely of protein while others are made up of a protein plus a non-protein portion
B
they are biological catalysts that decrease the activation energy for a reaction and thus speeding up reactions
C
Speed up the reaction w/out being used up or changed
D
All of the above
13) 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
14) What are holoenzymes or conjugated enzymes?
A
consists of no protein
B
consist of a protein and one or mor non-protein molecules
C
consists of protein alone
D
are a non-protein molecule
15) What are coenzymes?
A
simple molecules
B
metal non-protein molecules (inorganic)
C
none of these
D
vitamin non-protein molecules (organic)
16) What are metal non-protein molecules that are inorganic known as?
A
cofactors
B
simple enzymes
C
metabolism
D
coenzymes
17) What is the term induced fit also known as?
A
lock and key
B
hand in glove model
C
chemical specificity
D
All of the above
18) what are enzymes affected by?
A
enzyme inhibitors
B
ph
C
temperature
D
All of these
19) What happens to enzymes when temperature is past its optimal limit?
A
Adaptation
B
They live longer
C
Growth
D
Denurturation
20) Apoenzyme + Coenzyme or Cofactor =
A
Holoenzyme
B
Nothing
C
Proteins
D
Enzyme
*select an answer for all questions
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