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Questions and Answers
What is the main cause of osmo2c pressure?
What is the main cause of osmo2c pressure?
- The pressure applied to the water
- The temperature of water
- The presence of large molecules in water
- The presence of small molecules that dissolve in water (correct)
Which process describes water movement from a hypotonic solution to a hypertonic solution?
Which process describes water movement from a hypotonic solution to a hypertonic solution?
- Filtration
- Reverse osmosis (correct)
- Diffusion
- Forward osmosis
In the context of colligative properties, what happens to the boiling point of a concentrated fruit juice when water evaporates?
In the context of colligative properties, what happens to the boiling point of a concentrated fruit juice when water evaporates?
- It decreases significantly
- It increases (correct)
- It fluctuates randomly
- It remains unchanged
Which of the following solutes is not typically associated with colligative properties?
Which of the following solutes is not typically associated with colligative properties?
During forward osmosis, which statement is true about the movement of water?
During forward osmosis, which statement is true about the movement of water?
What primarily influences the perishability of foods with the same water content?
What primarily influences the perishability of foods with the same water content?
How does water activity (aw) affect food preservation?
How does water activity (aw) affect food preservation?
What method can be used to prepare moisture sorption isotherms for food products?
What method can be used to prepare moisture sorption isotherms for food products?
What does water activity control during food processing?
What does water activity control during food processing?
Which of the following is NOT a method for achieving desired relative humidity environments for sorption isotherms?
Which of the following is NOT a method for achieving desired relative humidity environments for sorption isotherms?
What does the water activity (aw) measure?
What does the water activity (aw) measure?
Which carbohydrate is primarily referred to as a sugar consisting of glucose and fructose?
Which carbohydrate is primarily referred to as a sugar consisting of glucose and fructose?
What percentage of the calories in the human diet worldwide is supplied by carbohydrates?
What percentage of the calories in the human diet worldwide is supplied by carbohydrates?
What is the primary biological purpose of starch in plants?
What is the primary biological purpose of starch in plants?
Which enzyme is responsible for breaking down complex carbohydrates into glucose?
Which enzyme is responsible for breaking down complex carbohydrates into glucose?
Which element is NOT a component of carbohydrates?
Which element is NOT a component of carbohydrates?
What can be said about the composition of carbohydrates in terms of their elemental makeup?
What can be said about the composition of carbohydrates in terms of their elemental makeup?
Why is storing pure glucose in seeds considered detrimental?
Why is storing pure glucose in seeds considered detrimental?
What is the primary composition of a water molecule?
What is the primary composition of a water molecule?
What unique thermodynamic property does supercooled liquid water possess?
What unique thermodynamic property does supercooled liquid water possess?
Why does ice float on water?
Why does ice float on water?
Which of the following correctly describes the role of water in biological systems?
Which of the following correctly describes the role of water in biological systems?
In what form is water primarily found in plants?
In what form is water primarily found in plants?
What does water's role as a 'universal solvent' imply?
What does water's role as a 'universal solvent' imply?
What happens to water molecules when they freeze below 0°C at atmospheric pressure?
What happens to water molecules when they freeze below 0°C at atmospheric pressure?
Which branch of biological science is primarily involved in the study of water and its properties?
Which branch of biological science is primarily involved in the study of water and its properties?
What primarily causes foods to freeze faster than they thaw?
What primarily causes foods to freeze faster than they thaw?
How does the thermal conductivity of ice compare to that of water at 0°C?
How does the thermal conductivity of ice compare to that of water at 0°C?
What is the heat capacity of ice compared to liquid water?
What is the heat capacity of ice compared to liquid water?
What is the H–O–H bond angle in a water molecule?
What is the H–O–H bond angle in a water molecule?
Which statement correctly describes water's structure?
Which statement correctly describes water's structure?
What property does the polar nature of water molecules cause?
What property does the polar nature of water molecules cause?
How does the thermal diffusivity of ice compare to that of water?
How does the thermal diffusivity of ice compare to that of water?
What is the van der Waals radius of the oxygen atom in a water molecule?
What is the van der Waals radius of the oxygen atom in a water molecule?
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