WorksheetsUnit 5 Homeostasis and Enzymatic Reactions Vocab Quiz
Total questions: 12
Worksheet time: 10mins
Name
Class
Date
1.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
2.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
3.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
4.
Maintaining blood glucose is an example of:
a)
Negative feedback
b)
Positive Feedback
5.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
6.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Covalent
b)
Substrate
c)
Vitamin
d)
Polypeptide
7.
What is the activation energy?
a)
The energy of the products
b)
The energy of the reactants
c)
The minimum energy needed by the reactants to form the products.
d)
The energy lost in the reaction
8.
___________ is the energy-requiring process which joins smaller molecules together to form larger molecules.
a)
Metabolism
b)
Anabolism
c)
Catabolism
d)
Heat Transfer
9.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)
Enders
10.
The body's use of molecules to make energy for the body
a)
Metabolism
b)
Digestion
c)
Breathing
d)
Cellular Respiration
11.
What is the internal state of balance called?
a)
Stimulus
b)
Response
c)
Homeostasis
d)
Homozygous
12.
What is the name for the mechanism of enzyme activity?
a)
Lock and key
b)
jigsaw puzzle
c)
hammer and nail
d)
two hands pattern
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