Podcast
Questions and Answers
Which of the following is a fundamental property of all living organisms?
Which of the following is a fundamental property of all living organisms?
- The ability to reproduce
- The ability to harness and channel energy (correct)
- The ability to grow
- The ability to perform work
What do modern organisms do with energy?
What do modern organisms do with energy?
- They convert it into different forms of energy (correct)
- They convert it into light energy
- They convert it into electrical energy
- They convert it into heat energy
What do photosynthetic organisms transduce light energy into?
What do photosynthetic organisms transduce light energy into?
- Heat energy
- Electrical energy
- Different forms of energy (correct)
- All of the above
What is an example of a biological work performed by living cells?
What is an example of a biological work performed by living cells?
Which of the following is NOT a transduction of energy carried out by modern organisms?
Which of the following is NOT a transduction of energy carried out by modern organisms?
Flashcards
Energy Harnessing
Energy Harnessing
Living organisms require the ability to obtain and utilize energy for survival. This is essential for performing life processes, such as growth, reproduction, and maintaining homeostasis.
Energy Conversion
Energy Conversion
Organisms take in energy from their environment and transform it into different usable forms. This is crucial for carrying out various biological processes.
Photosynthesis and Energy Transduction
Photosynthesis and Energy Transduction
Photosynthetic organisms use sunlight as their energy source. They capture light energy and transform it into chemical energy, which is stored in the form of sugars.
Biological Work and Energy
Biological Work and Energy
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Exception to Energy Transduction
Exception to Energy Transduction
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Study Notes
Fundamental Property of Living Organisms
- All living organisms are composed of one or more cells.
Energy Usage by Modern Organisms
- Modern organisms utilize energy for various biological processes.
- Energy is captured and transformed, often through chemical reactions, to fuel life.
Photosynthesis
- Photosynthetic organisms convert light energy into chemical energy stored in bonds of organic molecules.
- This process, photosynthesis, powers many ecosystems.
Biological Work
- Transporting molecules across cell membranes is an example of biological work performed by cells.
- This process requires energy and contributes to cell function and survival.
Energy Transduction
- Transduction of energy is a fundamental process in living systems.
- Modern organisms harness energy from various sources, including sunlight, chemical compounds, and food.
- This process commonly involves conversion between different forms of energy, such as light to chemical or chemical to mechanical.
- The conversion of sound energy into electrical signals in the nervous system is an example.
- The transformation of electrical signals into mechanical movement in muscles is another example.
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