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Why are endergonic and exergonic reactions are said to be coupled in living cells?
Endergonic reactions absorb energy, while exergonic reactions release energy. In living cells, these reactions are coupled so that the energy released from exergonic reactions can be used to drive endergonic reactions. This coupling allows cells to maintain energy balance and perform essential functions.
What is the sum of energy-transferring reactions within cells?
Metabolism.
What do cells do with the energy generated from cellular respiration?
Cells use the energy produced to fuel other reactions necessary for them to survive.
What are light independent and dependent reactions?
Light dependent reactions are reactions the capture light energy and convert it into chemical energy(ATP). It occur in the chloroplast of plant cells Light independent reactions are reactions capture energy and use it to produce food . It does not need sunlight
What is the biological catalyst that lowers the activation energy of reactions in cells?
an enzyme
Enzymes affect the reactions in living cells by lowering the?
activation energy of the reaction.
What is a biological catalyst that lowers the activation energy of reaction in cells and speeds reactions?
A biological catalyst that lowers the activation energy of reactions in cells is called an enzyme. Enzymes are proteins that facilitate biochemical reactions by providing an alternative reaction pathway, allowing reactions to occur more rapidly and efficiently. They are specific to substrates and can be regulated, enabling cells to respond to changing conditions and metabolic needs.
What is the difference between anabolic reactions and catabolic reactions in terms of their impact on cellular metabolism?
Anabolic reactions build molecules and require energy, while catabolic reactions break down molecules and release energy. Anabolic reactions help cells grow and repair, while catabolic reactions provide energy for cellular processes.
What does cells require in order for chemical reactions to take place?
Cells require enzymes, energy in the form of adenosine triphosphate (ATP), and specific substrates in order for chemical reactions to take place. Enzymes act as catalysts that speed up chemical reactions, while ATP provides the energy needed for these reactions to occur. Substrates are the molecules that enzymes act upon to initiate and facilitate the reactions.
What is an enzyme-mediated chemical reactions by which cells acquire and utilize energy?
Enzyme-mediated chemical reactions are biological processes in which enzymes act as catalysts to speed up the conversion of substrates into products, facilitating energy transformations within cells. These reactions are crucial for cellular metabolism, allowing cells to acquire energy from nutrients through pathways like glycolysis and the citric acid cycle. By lowering the activation energy required for reactions, enzymes enable cells to efficiently harness and utilize energy stored in chemical bonds, ultimately supporting various cellular functions and activities.
Why are cells connected in a battery?
Cells are connected in a battery to carry out Red-ox reactions in order to generate electrical energy.
Is needed for energy releasing chemical reactions that take place inside your cells?
The Mitochondria.
