3. The diagram to the left represents the distribution ofsome molecules inside and outside of an artificial cellover a period of time.Which statement is best supported by the diagram?(1) Oxygen molecules entered the cell over time byactive transport.(2) Water molecules are too large to enter or leave thecell, so they reMained where they were at the start ofthe investigation.(3) Protein molecules are kept inside of the cell becauseTimethe cell needs them.BeforeAfter(4) The protein molecules are too large to diffuse out ofthe cell.KeyO Water4. Which molecule can diffuse from the digestive tractO OxygenA Proteininto the human bloodstream without first beingdigested?(1) protein(2) fat(3) starch(4) glucose 3. The diagram to the left represents the distribution ofsome molecules inside and outside of an artificial cellover a period of time.Which statement is best supported by the diagram?(1) Oxygen molecules entered the cell over time byactive transport.(2) Water molecules are too large to enter or leave thecell, so they reMained where they were at the start ofthe investigation.(3) Protein molecules are kept inside of the cell becausethe cell needs them.(4) The protein molecules are too large to diffuse out ofthe cell.

The cell membrane is a semi-permeable membrane that allows certain substances to diffuse across it…

3. The diagram to the left represents the distribution of some molecules inside and outside of an artificial cell over a period of time. Which statement is best supported by the diagram? (1) Oxygen molecules entered the cell over time by active transport. (2) Water molecules are too large to enter or leave the cell, so they reMained where they were at the start of the investigation. (3) Protein molecules are kept inside of the cell because the cell needs them. (4) The protein molecules are too large to diffuse out of the cell.

3. The diagram to the left represents the distribution of some molecules inside and outside of an artificial cell over a period of time. Which statement is best supported by the diagram? (1) Oxygen molecules entered the cell over time by active transport. (2) Water molecules are too large to enter or leave the cell, so they reMained where they were at the start of the investigation. (3) Protein molecules are kept inside of the cell because the cell needs them. (4) The protein molecules are too large to diffuse out of the cell.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter3: Cell Structure And Function

Section: Chapter Questions

Problem 18CTQ: Why is it advantageous for the cell membrane to be fluid in nature?

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Similar questions

3. Туре of Cell: Explanation:
16. Which of the following best defines the term "exocytosis"? A) The discharge of proteins in cytoplasmic vesicles from a cell following fusion of the vesicles with the plasmalemma B) Diffusion of lipid-soluble molecules from a cell across the cell membrane C) The uptake of material at one domain of a cell's surface and its discharge from the opposite side of the cell D) The discharge of ions or small molecules from a cell by protein pumps in the membrane E) The process by which proteins move from one cytoplasmic compartment to another
1. A scientist synthesized a membrane in the laboratory. The synthetic membrane has allthe properties associated with the cell membranes of living cells, can spontaneously formspheres or bubble-like configurations, which replicate on their own, and react with stimuliin the environment. With these findings, the scientist claims he was able to re-createunder laboratory conditions, what Earth’s first living cells possibly look like. State andbriefly explain/support your opinion about his claim. 2. In your own words, discuss how the process of mitosis faithfully distributes exact copiesof heritable information in the production of genetically identical daughter cells PLEASE ANSWER WITH COMPLETE DETAILS FOR A THUMBS UP
3. As the radius of a cell increases, which statement is true? Sphere surface area = A=4πr2 Sphere volume = V=4373 A) the surface area increases more than the cell volume increases B) the surface area and cell volume increase similarly C) the cell volume increases more than the surface area increases D) the surface area increases but the cell volume can go down
If oxygen is more concentrated outside a cell than insidea). the oxygen will tend to diffuse out of the cell.b). the oxygen will tend to diffuse into the cell.c). the oxygen will move into the cell by active transport.d). these will be no movement of the oxygen
1. Imagine a hypothetical situation in which an animal cell such as a hepatocyte or a macrophage would completely lose the ability to produce membrane proteins. a) What would be the structural and molecular organization of such a hypothetical cell? b) How do you think this situation would affect the function of that cell? Be as thorough as you can.
How does the presence of high concentrations of salt orsugars in food prevent growth of microorganisms?(a) It sets up a hypotonic environment causing the cells tolyse.(b) It sets up an isotonic environment in which cells die.(c) It sets up an environmental high in osmotic pressureresulting in cellular plasmolysis (water loss).(d) a and b.(e) None of the above.
2) Explain how the following cell transport systems work moving materials around inside the cell and other functions. Focus on structure and function, and Include how energy is used to accomplish these movements. A)Tubulin/Kinesin B)Actin/Myosin
Only typed explaination otherwise leave it Carrier proteins that bind to substances to move them through the membrane and proteins that form pores or channels to allow passage of substances through the membrane are collectively called __________. A) integral proteins B) transport proteins C) transmembrane proteins D) glycoproteins
A cell is moved from its normal environment in a freshwater river and is suddenly placed into the ocean. What would be the effect of this change in environment on the cell? O 1) It would shrivel because it would lose water. O 2) It would shrivel because it is responding to a hypotonic environment. O 3) It would swell because it is experiencing a hypertonic environment. O 4) It would swell because it would gain water. O 5) Nothing would happen to the cell.
Which of the following sequences correctly lists in orderthe steps involved in the incorporation of aproteinaceous molecule within a cell?a. protein synthesis of the protein on the ribosome;modification in the Golgi apparatus; packaging inthe endoplasmic reticulum; tagging in the vesicleb. synthesis of the protein on the lysosome; tagging inthe Golgi; packaging in the vesicle; distribution inthe endoplasmic reticulumc. synthesis of the protein on the ribosome;modification in the endoplasmic reticulum; taggingin the Golgi; distribution via the vesicled. synthesis of the protein on the lysosome; packagingin the vesicle; distribution via the Golgi; tagging inthe endoplasmic reticulum
A cell membrane with no proteins will still show which process? a) active transport b) facilitated diffusion c) osmosis d) None of these