Podcast
Questions and Answers
What are the steps involved in the scientific method?
What are the steps involved in the scientific method?
- Question, prediction, experiment, analysis, conclusion, observation, hypothesis
- Experiment, analysis, conclusion, observation, question, prediction, hypothesis
- Observation, question, hypothesis, prediction, experiment, analysis, conclusion (correct)
- Hypothesis, prediction, observation, question, experiment, analysis, conclusion
What are the 4 elements that make up 96% of living matter?
What are the 4 elements that make up 96% of living matter?
- Carbon, hydrogen, nitrogen, oxygen (correct)
- Nitrogen, oxygen, hydrogen, calcium
- Hydrogen, oxygen, carbon, calcium
- Carbon, oxygen, phosphorus, sulfur
What distinguishes prokaryotic cells from eukaryotic cells?
What distinguishes prokaryotic cells from eukaryotic cells?
- Eukaryotic cells lack genetic material, while prokaryotic cells have DNA
- Eukaryotic cells have a true nucleus, while prokaryotic cells do not (correct)
- Prokaryotic cells have a membrane-bound nucleus, while eukaryotic cells do not
- Prokaryotic cells are larger in size compared to eukaryotic cells
How are simple diffusion and facilitated diffusion different?
How are simple diffusion and facilitated diffusion different?
What is the main function of the light reactions and the Calvin cycle of photosynthesis?
What is the main function of the light reactions and the Calvin cycle of photosynthesis?
Study Notes
Scientific Method
- The scientific method is a systematic process used to develop and test scientific knowledge
- It involves making observations, formulating hypotheses, and testing these hypotheses through experimentation
- The method involves analyzing data, drawing conclusions, and communicating results
Elements of Living Matter
- The four elements that make up 96% of living matter are oxygen, carbon, hydrogen, and nitrogen
- These elements are essential for life and are found in all living organisms
Prokaryotic and Eukaryotic Cells
- Prokaryotic cells lack a true nucleus and are typically small and simple in structure
- Eukaryotic cells have a true nucleus and are typically larger and more complex in structure
- Prokaryotic cells are found in bacteria and archaea, while eukaryotic cells are found in all other forms of life
Diffusion
- Simple diffusion is the movement of molecules from an area of high concentration to an area of low concentration
- Facilitated diffusion is the movement of molecules from an area of high concentration to an area of low concentration with the assistance of transport proteins
- The main difference between the two is the presence of transport proteins in facilitated diffusion
Photosynthesis
- The light reactions of photosynthesis involve the conversion of light energy into ATP and NADPH
- The Calvin cycle of photosynthesis involves the fixation of carbon dioxide into glucose using the ATP and NADPH produced in the light reactions
- The main function of photosynthesis is to produce glucose and oxygen from carbon dioxide and water
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Description
Test your knowledge of the scientific method and biological organization with this quiz. Can you name and define each step of the scientific method in order? Do you know the levels of biological organization, from atoms to biosphere, and can you provide examples for each? Identify the 4 elements that make up 96% of living matter and understand which one forms the “backbone” of most organic molecules. Plus, demonstrate your understanding of the 4 categories of biological macromolecules.
