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Questions and Answers
What is the primary function of lipids coated around nerves?
What is the primary function of lipids coated around nerves?
- Thermal insulation
- Water repulsion
- Electrical insulation (correct)
- Energy storage
Which type of fat is characterized by no double bonds between carbon atoms?
Which type of fat is characterized by no double bonds between carbon atoms?
- Unsaturated fats
- Saturated fats (correct)
- Trans fats
- Hydrogenated fats
What structural feature differentiates cis and trans fatty acids?
What structural feature differentiates cis and trans fatty acids?
- Number of carboxyl groups present
- Length of carbon chains
- Position of hydrogen atoms around the double bond (correct)
- Molecular weight
What are the building blocks of proteins?
What are the building blocks of proteins?
Which component of phospholipids is hydrophilic?
Which component of phospholipids is hydrophilic?
What determines the characteristics of a protein primarily?
What determines the characteristics of a protein primarily?
Which of the following lipids is solid at room temperature?
Which of the following lipids is solid at room temperature?
What role do proteins play in moving substances within cells?
What role do proteins play in moving substances within cells?
What is the primary role of proteins in the context of transport within a cell?
What is the primary role of proteins in the context of transport within a cell?
What describes the function of the Sodium-Potassium Pump?
What describes the function of the Sodium-Potassium Pump?
What is osmosis?
What is osmosis?
Which of the following accurately describes the cytoplasm?
Which of the following accurately describes the cytoplasm?
Where is DNA found in prokaryotic cells?
Where is DNA found in prokaryotic cells?
What is the primary function of ribosomes in the cell?
What is the primary function of ribosomes in the cell?
What distinguishes active transport from passive transport?
What distinguishes active transport from passive transport?
What was the primary purpose of Stanley Miller's experiment?
What was the primary purpose of Stanley Miller's experiment?
How does water typically flow across the plasma membrane?
How does water typically flow across the plasma membrane?
Which gases were believed to contribute to the atmosphere during Miller's experiment?
Which gases were believed to contribute to the atmosphere during Miller's experiment?
What significant finding did some meteorites provide regarding the origin of life?
What significant finding did some meteorites provide regarding the origin of life?
What hypothesis is questioned by some scientists regarding meteorites?
What hypothesis is questioned by some scientists regarding meteorites?
Which of the following is NOT a product that formed in Miller's experiment?
Which of the following is NOT a product that formed in Miller's experiment?
Which condition was likely not part of Stanley Miller's recreated early Earth environment?
Which condition was likely not part of Stanley Miller's recreated early Earth environment?
What implication was drawn from Stanley Miller's results?
What implication was drawn from Stanley Miller's results?
What was a major limiting factor in determining the origins of life based on Miller's experiment?
What was a major limiting factor in determining the origins of life based on Miller's experiment?
Which statement accurately describes the cell theory?
Which statement accurately describes the cell theory?
What distinguishes prokaryotic cells from eukaryotic cells?
What distinguishes prokaryotic cells from eukaryotic cells?
Which of the following components are found in all cells?
Which of the following components are found in all cells?
What is a characteristic feature of eukaryotic cells?
What is a characteristic feature of eukaryotic cells?
What can be concluded about all cells according to the information provided?
What can be concluded about all cells according to the information provided?
What type of cells include bacteria and archaea?
What type of cells include bacteria and archaea?
Which of the following statements about DNA in cells is correct?
Which of the following statements about DNA in cells is correct?
What role do ribosomes play in cells?
What role do ribosomes play in cells?
What is the primary role of functional groups in biological molecules?
What is the primary role of functional groups in biological molecules?
What type of reaction is used to form disaccharides from monosaccharides?
What type of reaction is used to form disaccharides from monosaccharides?
Which of the following describes the structure of lipids?
Which of the following describes the structure of lipids?
Which functional group is specifically linked to amino acids?
Which functional group is specifically linked to amino acids?
Which of the following is a characteristic of polysaccharides?
Which of the following is a characteristic of polysaccharides?
What distinguishes saturated fatty acids from unsaturated fatty acids?
What distinguishes saturated fatty acids from unsaturated fatty acids?
What is the primary function of carbohydrates in living organisms?
What is the primary function of carbohydrates in living organisms?
Which of the following is a common disaccharide?
Which of the following is a common disaccharide?
What are the smaller units that make up macromolecules called?
What are the smaller units that make up macromolecules called?
Which of the following correctly describes nucleic acids?
Which of the following correctly describes nucleic acids?
What type of reaction breaks down polymers into monomers?
What type of reaction breaks down polymers into monomers?
Which polysaccharide is primarily utilized for energy storage in animals?
Which polysaccharide is primarily utilized for energy storage in animals?
In what form do carbohydrates typically store energy in plants?
In what form do carbohydrates typically store energy in plants?
What is the function of phospholipids in cellular structures?
What is the function of phospholipids in cellular structures?
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Study Notes
What All is in a Prokaryotes?
- Prokaryotes lack a nucleus and internal membrane bound organelles.
- Prokaryotes have a plasma membrane.
- Prokaryotes have cytoplasm.
- Prokaryotes have ribosomes.
- Prokaryotes have DNA.
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