What is energy? Why isn\'t heat a viable source of biological energy? The Laws o
ID: 152135 • Letter: W
Question
What is energy?
Why isn't heat a viable source of biological energy?
The Laws of Thermodynamics
What is the First Law of Thermodynamics? 1. Are organisms open or closed systems?
What is the Second Law of Thermodynamics?
What is entropy?
What is an organisms “metabolism?”
Compare anabolism and catabolism.
What makes a reaction spontaneous?
What makes diffusion spontaneous?
What are the structural components of ATP?
How does the cell use ATP?
What is required in order for any chemical reaction to occur?
How does this apply to spontaneous reactions?
What is an enzyme?
What types of reactions can an enzyme affect?
How does an enzyme work?
How are enzymes named?
What are nearly all enzymes made of?
Explain how and why enzyme activity is affected by:
Temperature
pH
Explain how the following factors can affect enzymatic activity:
Enzyme or substrate concentration
Competitive and noncompetitive inhibition.
How does substrate concentration impact competitive inhibitors? noncompetitive inhibitors?
Irreversible inhibition.
What is allosteric regulation?
9. How are enzymes associated with metabolic pathways?
Will metabolic pathways always:
Proceed at the same rate? Explain.
Be active? Explain.
Explanation / Answer
Energy is the strength and vitality which is required for any physical or mental activity.
Heat is the last form of energy that means all types of energy finally transformed into heat. Heat can be lost easily from body by means of radiation. Our body also don't have setup for storage of heat as energy. So, heat is not a viable source of biological energy.
According to the first law of thermodynamics, energy can't be created or destroyed. It can be transferred from one location to another and converted one form to another. Energy increases the internal energy of the system.
Organisms are open system as they have input and output of energy. Input occurs by means of food consumption and output occurs by means of energy lost in the form of heat.
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