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Questions and Answers
What type of reaction builds larger molecules from simpler ones?
What type of reaction builds larger molecules from simpler ones?
- Chemical
- Metabolic
- Catabolic
- Anabolic (correct)
Which of the following is primarily responsible for speeding up a chemical reaction?
Which of the following is primarily responsible for speeding up a chemical reaction?
- Products
- Reactants
- Elements
- Catalyst (correct)
Which process releases large amounts of energy and is associated cell respiration?
Which process releases large amounts of energy and is associated cell respiration?
- Anabolism
- Endothermic reaction
- Photosynthesis
- Exothermic reaction (correct)
Which of the following processes is classified as an endothermic reaction?
Which of the following processes is classified as an endothermic reaction?
Which six elements constitute approximately 99% of all living organisms?
Which six elements constitute approximately 99% of all living organisms?
The total of all chemical reactions in an organism is called ________________________.
The total of all chemical reactions in an organism is called ________________________.
What is the name of the substance that is changed during a chemical reaction?
What is the name of the substance that is changed during a chemical reaction?
Which of following terms match with the correct definition?
Which of following terms match with the correct definition?
A denatured enzyme looses its shape and becomes deformed.
A denatured enzyme looses its shape and becomes deformed.
The rate of change in a chemical reaction can be affected by the type of blood a person has.
The rate of change in a chemical reaction can be affected by the type of blood a person has.
During the process of photosynthesis, glucose is released along with carbon dioxide.
During the process of photosynthesis, glucose is released along with carbon dioxide.
The job of enzymes is to speed up chemical reactions in the body.
The job of enzymes is to speed up chemical reactions in the body.
The purpose of an active site is where the enzyme makes oxygen.
The purpose of an active site is where the enzyme makes oxygen.
Chemical reactions are the breaking and reforming of bonds between different substances.
Chemical reactions are the breaking and reforming of bonds between different substances.
Only living things are made up of matter and atoms.
Only living things are made up of matter and atoms.
The most abundant element in the body is carbon.
The most abundant element in the body is carbon.
Flashcards
Metabolism
Metabolism
The sum of all chemical reactions that occur within a living organism.
Anabolic
Anabolic
The process by which molecules are built up from smaller units, often requiring energy.
Catabolic
Catabolic
The process by which molecules are broken down into smaller units, often releasing energy.
Activation energy
Activation energy
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Catalyst
Catalyst
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Study Notes
Metabolic Processes
- Metabolism involves chemical reactions
- Anabolic reactions build complex molecules
- Catabolic reactions break down complex molecules
- Activation energy is needed to start a reaction
- Reactants are substances that enter the reaction
- Products are substances produced from the reaction
- Exothermic reactions release energy
- Endothermic reactions absorb energy
Biological Molecules
- Enzymes are biological catalysts
- Enzymes have an active site
- Denaturation alters enzyme function
- All living things are composed of matter
- Matter is composed of atoms
- Elements are a specific type of atom
- Compounds are a combination of elements
- Molecules are the smallest particle of a compound
Cellular Processes
- Photosynthesis converts light energy to chemical energy
- Cellular respiration releases energy from glucose
- The rate of chemical reactions can be influenced by various factors
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