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Questions and Answers
Which discipline focuses on the study of life at the molecular level?
Which discipline focuses on the study of life at the molecular level?
Catabolism and anabolism are best described as:
Catabolism and anabolism are best described as:
Which molecule is crucial in linking catabolism with anabolism?
Which molecule is crucial in linking catabolism with anabolism?
What term did Purkinje coin related to the living matter of the cell?
What term did Purkinje coin related to the living matter of the cell?
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How many types of fundamental biological molecules are there?
How many types of fundamental biological molecules are there?
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What word, originating from Greek, signifies 'change' in the context of biochemical processes inside cells?
What word, originating from Greek, signifies 'change' in the context of biochemical processes inside cells?
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Study Notes
Biological Molecules
- Biochemistry is the study of chemical components of living things, focusing on the molecular level.
- It involves the study of biological processes, such as transcription and translation, and proteomics.
Metabolism
- Metabolism refers to the biological and biochemical processes that occur inside cells.
- The Greek word "metabolism" means "change".
- There are two types of metabolism:
- Catabolism: breaking down complex molecules into smaller ones, releasing energy (exergonic, energy-releasing).
- Anabolism: building up simple molecules into complex ones, using energy (endergonic, energy-requiring).
Energy and ATP
- ATP (Adenosine Triphosphate) is a molecule that provides energy for biological processes.
- Energy is released during catabolism and used during anabolism.
Protoplasm
- Protoplasm is the living matter of a cell, discovered by Dujardin (1835).
- The term "protoplasm" was coined by Purkinjee (1839).
- Cytoplasm is a part of protoplasm.
Types of Biological Molecules
- There are four fundamental types of biological molecules:
- Carbohydrates
- Proteins
- Lipids
- Nucleic acids
- These molecules are also known as biomolecules or organic molecules.
- Inorganic molecules, such as H2O, CO2, and minerals, are also present in living organisms.
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Description
Test your knowledge of biochemistry, including biological molecules, chemical components of living things, and molecular biology.
