Homework Answers
If concentration of solute is greater outside the plant cell than inside, it means the solution is hypertonic and water concentration is less outside to the plant cell. Since the solution is hypertonic (less water) water will move from inside the cell to outside into solution.
So option D (move out of the plant cell) is correct.
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Saved f the concentration of solutes outsi If the concentration of solutes outside the plant cell...
30. An isotonic solution means that the solute concentration outside the cell: A. Is slightly less...
30. An isotonic solution means that the solute concentration outside the cell: A. Is slightly less than inside the cell B. Is much greater than inside the cell C. Is much less than inside the cell D. Is same as inside the cell E. Is slightly greater than inside the cell 31. A solvent is a A .A salt or sugar B. One component of a cell membrane C. The substance in which a solutes are dissolved D. Selectively permable...
Three questions, same topic: If a cell has a greater concentration of O2 outside of the...
Three questions, same topic: If a cell has a greater concentration of O2 outside of the cell compared to inside the cell, will an active transporter be used to move the O2 outside the cell? Explain why or why not? If a cell has a greater concentration of H+ outside of the cell compared to inside the cell, will an active transporter be used to move the H+ outside the cell? Explain why or why not? And finally... If a...
How can dissolved materials be moved from the outside to the inside of a cell when...
How can dissolved materials be moved from the outside to the inside of a cell when the inside concentration of the material is higher than the outside concentration? a. Molecules can be moved into a cell against their concentration gradient if that transport is coupled with osmotic transport of water into the cell. b. Substances can be moved against a concentration gradient by pumps that do work using the energy provided by ATP hydrolysis. c. Some channels are capable of...
41. Phospholipids are amphipathic molecules a. True 42. Which of the following structure's protect a plant...
41. Phospholipids are amphipathic molecules a. True 42. Which of the following structure's protect a plant cell from bursting due to the uptake of excess water? b. False a. Mitochondria b. Plasma membrane c. Chloroplast 43. The opening of d. Cell wall channels is controlled by the binding of a substance to the channel. a. Mechanically-gated c. Voltage-gated b. Ligand-gated d. DNA 44. The concentration of Ca' is in the cell, but outside of the cell. c. Higher .... Lower...
CELL MEMBRANE Protected View Saved to this PC References Mailings Review View Help Tell me what...
CELL MEMBRANE Protected View Saved to this PC References Mailings Review View Help Tell me what you want to do et can contain viruses. Unless you need to edit, it's safer to stay in Protected View Enable Editing 1. What are the TWO MAIN COMPONENTS that make up the CELL MEMBRANE? 2. What types of molecules can EASILY go through your cell membrane or are PERMEABLE to the cell membrane? 3. What types of molecules CANNOT easily go through your...
The concentration of Ca^2+ is greater outside a cell relative to inside. Which of the following...
The concentration of Ca^2+ is greater outside a cell relative to inside. Which of the following statements is most likely to occur? A. Ca^2+ ions would enter the cell by osmosis. B. Ca^2+ ions would enter the cell via a channel protein. C. Ca^2+ ions would enter the cell by active transport. D. Ca^2+ would move out of the cell by passive diffusion. 20. Which of the following have mitochondria? A. Bacteria. B. Animal cells. C. Plant cells. D. B...
I dont understabd the last 3 questions . A single piant cell is placed in an...
I dont understabd the last 3 questions .
A single piant cell is placed in an sotoric solution. Salt is then odded to the sokutlion. wwich ot me totowing wouid occur as a resut of the solt addition Water wouid leave the cell by osmoss. causing the volume of the cytoplosm to decreone. Water would entor the cel by osmosis, and the cel would swe t T The added salt would enter the cel cousing the cell to take up...
FILL THE BLANK The membranes of fishes that live in extreme cold have a high proportion...
FILL THE BLANK The membranes of fishes that live in extreme cold have a high proportion of _________________ hydrocarbon tails, enabling them to stay fluid.For example, cold-adapted organisms such as winter wheat increase the percentage of _________________ phospholipids in their membranes in the autumn to prevent the membranes from solidifying during winter.There are two major populations of membrane proteins: ___________ and _____________.Integral proteins penetrate the hydrophobic interior of the lipid bilayer, usually completely spanning the membrane as ________________ proteins.________________ proteins...
In multicellular organisms, what do groups of cells form? • A. Prokaryotes • B. Homeostasis •...
In multicellular organisms, what do groups of cells form? • A. Prokaryotes • B. Homeostasis • C. Cell walls • D. Tissues and organs Why do we shiver when it is cold? . A. It is the brain stimulating the person to move to a warmer location. • B. It is a side-effect of the pancreas signaling to the brain that it is losing heat. • C. It is an involuntary reaction that does not actually help our body. •...
Lo 10: Electrochemical Gradient The difference in voltage across the membrane is called the __________________________________. The...
Lo 10: Electrochemical Gradient The difference in voltage across the membrane is called the __________________________________. The inside of a normal cell is ___________________ (+/-); while the outside is ___________(+/-). The resting membrane potential of a neuron is ___________mV. Diagram the relative ratios of Ca++, Na+ and K+ in a cell under resting conditions. Draw an arrow for each of the molecules indicating which direction would be passive transport (into or out of the cell). For each of the following sentences, fill in...
30. An isotonic solution means that the solute concentration outside the cell: A. Is slightly less than inside the cell B. Is much greater than inside the cell C. Is much less than inside the cell D. Is same as inside the cell E. Is slightly greater than inside the cell 31. A solvent is a A .A salt or sugar B. One component of a cell membrane C. The substance in which a solutes are dissolved D. Selectively permable...
41. Phospholipids are amphipathic molecules a. True 42. Which of the following structure's protect a plant cell from bursting due to the uptake of excess water? b. False a. Mitochondria b. Plasma membrane c. Chloroplast 43. The opening of d. Cell wall channels is controlled by the binding of a substance to the channel. a. Mechanically-gated c. Voltage-gated b. Ligand-gated d. DNA 44. The concentration of Ca' is in the cell, but outside of the cell. c. Higher .... Lower...
CELL MEMBRANE Protected View Saved to this PC References Mailings Review View Help Tell me what you want to do et can contain viruses. Unless you need to edit, it's safer to stay in Protected View Enable Editing 1. What are the TWO MAIN COMPONENTS that make up the CELL MEMBRANE? 2. What types of molecules can EASILY go through your cell membrane or are PERMEABLE to the cell membrane? 3. What types of molecules CANNOT easily go through your...
The concentration of Ca^2+ is greater outside a cell relative to inside. Which of the following statements is most likely to occur? A. Ca^2+ ions would enter the cell by osmosis. B. Ca^2+ ions would enter the cell via a channel protein. C. Ca^2+ ions would enter the cell by active transport. D. Ca^2+ would move out of the cell by passive diffusion. 20. Which of the following have mitochondria? A. Bacteria. B. Animal cells. C. Plant cells. D. B...
I dont understabd the last 3 questions .
A single piant cell is placed in an sotoric solution. Salt is then odded to the sokutlion. wwich ot me totowing wouid occur as a resut of the solt addition Water wouid leave the cell by osmoss. causing the volume of the cytoplosm to decreone. Water would entor the cel by osmosis, and the cel would swe t T The added salt would enter the cel cousing the cell to take up...
In multicellular organisms, what do groups of cells form? • A. Prokaryotes • B. Homeostasis • C. Cell walls • D. Tissues and organs Why do we shiver when it is cold? . A. It is the brain stimulating the person to move to a warmer location. • B. It is a side-effect of the pancreas signaling to the brain that it is losing heat. • C. It is an involuntary reaction that does not actually help our body. •...
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