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WorksheetsEnzymes & Bio Reactions
Total questions: 28
Worksheet time: 16mins
Select all 3 that describe Metabolism:
Create key molecules
All of the chemical reactions within each cell of an organism
Provide energy for life processes
being able to process food quickly
What is a chemical reaction?
The breaking and forming of bonds between each substances during chemical change?
To break down larger molecules
To build large molecules
Substances that are changes during a chemical reaction
What is an example of chemical reactions? Select 2
Photosynthesis
Throwing salt in with water
Combustion
What do chemical reactions require to break for energy to be absorbed?
DNA
Genes
Bonds
RNA
What do chemical reactions need to form to allow energy to be released?
Molecules
Bonds
Microorganisms
Due to the law of conservation of energy, no energy in the system is lost, it just _______ _____?
loses, energy
changes, forms
devours, energy
Chemical reactions may be released as what? Choose 2
plants
Heat
Air
Light
Biochemical reactions are either....? (Choose 2)
Catabolic
Hydrobolic
Products
Anabolic
Definition of Catabolic reactions
Absorbs smaller molecules
Is endergonic: Consuming energy
Is exergonic: a release in energy
Break down larger molecules into simpler compounds
Definition of Anabolic reactions:
Build larger molecules from smaller molecules
Exothermic: Releases energy
Endergonic: Consumes energy to build
breaks down larger molecules into simpler compounds
Do all reactions require energy to happen?
TRUE
FALSE
What type of energy describes the amount of energy needed to make a chemical reaction to start?
High
Activation
Low
Nuclear
What are some examples of reactants?
Hydrogen
Oxygen
juice
peach
Do reactants change during a chemical reaction?
TRUE
FALSE
What is made by a chemical reaction?
Chemicals
Product
Clothes
Endothermic absorbs energy in the form of heat or light
TRUE
FALSE
Exothermic absorbs energy
TRUE
FALSE
Photosynthesis equation
CO2 + H2O - C6H12O6 + 6O2
6CO2+6H2O→C6H12O6+6O2.
6CO2 + 6H2O - C6H12O6 +6H2O
Cellular Respiration Equation
C6H12O6 +6 O2 ——>6 CO2+ 6 H2O.
6CO2 + 6H2O → C6H12O6 + 6O2
Light energy is stored as ______ energy in sugar, therefore it's a _______ reaction
Chemical, exothermic
(photosynthesis)
Light, Endothermic
(cellular respiration)
Chemical, endothermic (photosynthesis)
Light, exothermic
(cellular respiration)
____ energy in sugar is converted to ___ energy released as ATP, therefore it's ____ reaction
light, chemical, exothermic
chemical, light, endothermic
light. light, endothermic
Chemical, chemical, exothermic
Metabolic reactions are controlled by ____?
Proteins
Enzymes
Macromolecules
Molecules
Enzymes are specialized molecules that bind to __? (Select 2)
Reactants
bonds
Substrate
DNA
Enzymes both break/form ___, which releases a newly created product
reactants
bonds
photosynthesis
cellular respiration
Are enzymes changed in a reaction?
Yes!!
No!!
Can enzymes be used over and over?
Yes!!
No!!
What is critical for the regulation of life's processes in all organisms?
Enzymes
Photosynthesis
Protein
Are enzymes specific?
YES
NO
