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