Homework Answers
Osmosis is the development of water atoms from a territory of high water focus (feeble/weaken arrangement) to a zone of low water fixation (solid/concentrated arrangement) through an in part porous film.
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Water often travels between cells and the environment via osmosis, where it diffuses from areas with...
Instead of discussing osmosis in terms of water concentration, we often speak of the "water potential"...
Instead of discussing osmosis in terms of water concentration, we often speak of the "water potential" of a solution. Considering that the units of pressure are Pascals, which are Newtons per meter squared (1 Pa = 1 N/m?), we can also write the units of pressure in terms of units of energy as an energy density (1 Pa = 1 N/m² = 1 J/mº) since a Joule equals a Newton*meter. Hence, we can speak of the concentration of the water...
point During osmosis, water will travel across the membrane from an area of lower higher solute...
point During osmosis, water will travel across the membrane from an area of lower higher solute concentration. 1 point In a hypotonic solution, an animal cell may while a plant cell will O experience turgor, shrivels because of an outflow of water. O shrivel, bursts because of an inflow of water. O lyse, becomes turgid because of an inflow of water. O Neither plant or animals cells will gain or lose water. ere to search
please give me the right answer. thanks In many biological solutions, water is the solvent, meaning...
please give me the right answer.
thanks
In many biological solutions, water is the solvent, meaning that solute molecules are dissolved in it (think of salt or sugar water). If a solute does not move across a semipermeable membrane, it is асr known an osmotically active solute. For the following examples, assume that the solute is osmotically active. In osmosis, water molecules move across the cellular membrane down the gradient (from an area of low solute/high water concentration to an...
Osmosis 5. Did water flow into or out of the plant cells (potato cells) in each...
Osmosis 5. Did water flow into or out of the plant cells (potato cells) in each of the samples examined? How do you know this? 6. Would this experiment work with other plant cells? What about with animal cells? Why or why not? 7. From what you know of tonicity, what can you say about the plant cells and the solutions in the test tubes? What do your results show about the concentration of the cytoplasm in the potato cells...
Osmosis 5. Did water flow into or out of the plant cells (potato cells) in each of the samples examined? How do...
Osmosis 5. Did water flow into or out of the plant cells (potato cells) in each of the samples examined? How do you know this? 6. Would this experiment work with other plant cells? What about with animal cells? Why or why not? 7. From what you know of tonicity, what can you say about the plant cells and the solutions in the test tubes? What do your results show about the concentration of the cytoplasm in the potato cells...
If a potato core is allowed to dehydrate by sitting in open air, would the water potential of the potato cells decrease or increase
If a potato core is allowed to dehydrate by sitting in open air, would the water potential of the potato cells decrease or increase? i think it decreases but i'm not sure. and if a plant cell has a lower water potential than its surroundings and if pressure=0, is the cell hypertonic(in terms of solute concentration) or hypotonic to its environment? will the cell gain or lose water? any ideas...?http://en.wikipedia.org/wiki/Water_potentialanalysis queswhat is water potential?Osmosis Lab /27819 Name: ________________________________ Date: ___________...
pls answer all ?? CHAPTER 3 WATER AND THE FITNESS OF THE ENVIRONMENT Learning objectives The...
pls
answer all ??
CHAPTER 3 WATER AND THE FITNESS OF THE ENVIRONMENT Learning objectives The Properties of Water 1. With the use of a diagram or diagrams, explain why water molecules are: a. polar b. capable of hydrogen bonding with 4 neighboring water molecules 2. List four characteristics of water and explain why they result from hydrogen bonding, 3. Define cohesion and adhesion. Explain how water's cohesion and adhesion contribute to the movement of water from the roots to...
Please summarize this chapter typed clearly. Diffusion Is a passive process of transport. A single substance...
Please summarize this chapter
typed clearly.
Diffusion Is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. Facilitated transport Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. Channels The integral proteins involved in facilitated transport are collectively referred to as transport proteins, and they...
Draw two bar graphs, one representing the ratio of saturated to unsaturated fatty acids present in...
Draw two bar graphs, one
representing the ratio of saturated to unsaturated fatty acids
present in the cell membrane and the other representing the amount
of cholesterol present in the cell membrane. Each graph should
include a bar for each of the following groups of organisms. The
objective is to correctly represent what we would expect to see in
the cell membranes of organisms adapted to different temperatures.
(15 Points) A. Rattlesnakes that have lived for several generations
in Canada...
I need help with filling out the chart in the second picture, the first photo is...
I need help with filling out the chart in the second picture,
the first photo is the data needed to answer the questions
Figure 4.7 Osmosis demonstration. Athistle tube, covered at the broad end by a differential contains distilled water. b. The solute (starch is unable to pass the through in both directions. There is a net movement of water town and lower water concentration. c. Due to the incomi ally permeable membrane, contains a arch o n through the...
Instead of discussing osmosis in terms of water concentration, we often speak of the "water potential" of a solution. Considering that the units of pressure are Pascals, which are Newtons per meter squared (1 Pa = 1 N/m?), we can also write the units of pressure in terms of units of energy as an energy density (1 Pa = 1 N/m² = 1 J/mº) since a Joule equals a Newton*meter. Hence, we can speak of the concentration of the water...
point During osmosis, water will travel across the membrane from an area of lower higher solute concentration. 1 point In a hypotonic solution, an animal cell may while a plant cell will O experience turgor, shrivels because of an outflow of water. O shrivel, bursts because of an inflow of water. O lyse, becomes turgid because of an inflow of water. O Neither plant or animals cells will gain or lose water. ere to search
please give me the right answer.
thanks
In many biological solutions, water is the solvent, meaning that solute molecules are dissolved in it (think of salt or sugar water). If a solute does not move across a semipermeable membrane, it is асr known an osmotically active solute. For the following examples, assume that the solute is osmotically active. In osmosis, water molecules move across the cellular membrane down the gradient (from an area of low solute/high water concentration to an...
Osmosis 5. Did water flow into or out of the plant cells (potato cells) in each of the samples examined? How do you know this? 6. Would this experiment work with other plant cells? What about with animal cells? Why or why not? 7. From what you know of tonicity, what can you say about the plant cells and the solutions in the test tubes? What do your results show about the concentration of the cytoplasm in the potato cells...
Osmosis 5. Did water flow into or out of the plant cells (potato cells) in each of the samples examined? How do you know this? 6. Would this experiment work with other plant cells? What about with animal cells? Why or why not? 7. From what you know of tonicity, what can you say about the plant cells and the solutions in the test tubes? What do your results show about the concentration of the cytoplasm in the potato cells...
pls
answer all ??
CHAPTER 3 WATER AND THE FITNESS OF THE ENVIRONMENT Learning objectives The Properties of Water 1. With the use of a diagram or diagrams, explain why water molecules are: a. polar b. capable of hydrogen bonding with 4 neighboring water molecules 2. List four characteristics of water and explain why they result from hydrogen bonding, 3. Define cohesion and adhesion. Explain how water's cohesion and adhesion contribute to the movement of water from the roots to...
Please summarize this chapter
typed clearly.
Diffusion Is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. Facilitated transport Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. Channels The integral proteins involved in facilitated transport are collectively referred to as transport proteins, and they...
Draw two bar graphs, one
representing the ratio of saturated to unsaturated fatty acids
present in the cell membrane and the other representing the amount
of cholesterol present in the cell membrane. Each graph should
include a bar for each of the following groups of organisms. The
objective is to correctly represent what we would expect to see in
the cell membranes of organisms adapted to different temperatures.
(15 Points) A. Rattlesnakes that have lived for several generations
in Canada...
I need help with filling out the chart in the second picture,
the first photo is the data needed to answer the questions
Figure 4.7 Osmosis demonstration. Athistle tube, covered at the broad end by a differential contains distilled water. b. The solute (starch is unable to pass the through in both directions. There is a net movement of water town and lower water concentration. c. Due to the incomi ally permeable membrane, contains a arch o n through the...
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