Movement in and out of the cell

• [PDF File]Biology 101 Laboratory Exercise 1: Movement of Materials ...

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  The movement of materials within cells and between cells and their environment is essential to all living organisms. Since the cell has to maintain its life functions in the face of ever changing conditions, it must regulate the movement of materials into and out of the cell. This function, among others, is performed by the plasma membrane : a

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• [PDF File]Homeostasis and Transport

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  This arrangement within the cell membrane allows it to . A. fuse with ribosomes during DNA replication. B. keep out all viral and bacterial infections. C. absorb water from the cytoplasm whenever necessary. D. control the movement of substances in and out of the cell.

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• [PDF File]Why? Model 1 – Movement of Water In and Out of Cells

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  Is the net direction of water movement into or out of the cell? 6. Circle the correct word below to indicate the change in the concentration of the sugar solution on each side of the membrane as water molecules move. a. The solution inside the cell will become (more/less) concentrated with the net movement of water. b.

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• [PDF File]DIFFUSION AND OSMOSIS

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  into the cell • it requires energy • endo = in . exocytosis • process in which particles are enclosed in a vesicle in the cell and then released from the cell • opposite of endocytosis • exo = out . endo . exo

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• [PDF File]Cell Transport Review Sheet

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  _____ The movement of substances through the cell membrane without the use of cellular energy _____ Used to help substances enter or exit the cell ... (into the cell, out of the cell, in both directions). _ (shrink, burst, stay the same). a. Water will flow _____ (into the cell, out of the cell, in both ...

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• [PDF File]CELL STRUCTURE AND FUNCTION CHART

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  movement in and out of the cell. (“Selectively Permeable”). 3. Microtubules •Part of cell skeleton that act as a scaffold to maintain the shape of a cell. (“Supporting Framework”) 4. Nucleus •Central leader of the cell. Surrounded by nuclear envelope. Contains directions to make

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• [PDF File]Chapter 3 The Plant Cell and the Cell Cycle

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  The Plasma Membrane Controls Movement of Material into and out of the Cell A thin membrane, the plasma membrane, surrounds each cell. Membranes are composed of approximately half phospholipid and half protein, with a small amount of sterols, another form of lipid (Fig. 3.4). The phospholipids and sterols provide a

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• [PDF File]Movement in and out of Cells - Save My Exams

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  Movement in and out of Cells Question Paper . Subject Biology . Topic Movement in and out of Cells . Booklet Question Paper . Time Allowed: 68 minutes Score: /56 Percentage: /100 . Exam Board CIE Level IGCSE Paper Type (Extended) Theory Paper

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• [PDF File]Chapter 3 Movement in and out of cells - Weebly

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  there is a net movement from where they are in a high concentration to where they are in a low concentration. Th is is diff usion. Diff usion is important to cells. For example, oxygen enters a respiring cell by diff usion, and carbon dioxide diff uses out of it. Water molecules are small and can diff use through a partially permeable membrane.

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• [PDF File]Why? MODEL 1: Movement of Water – a type of diffusion.

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  MODEL 2: Movement of Water in and out of Cells. 4. Model 2 shows a cell bounded by a selectively permeable membrane. There is a sugar solution inside the cell and outside the cell. (Circle the correct responses.) a. Which side of the membrane has a more concentrated sugar solution? Inside/outside b. In a concentrated solution there is more/less ...

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• [PDF File]CHAPTER 2 PASSIVE TRANSPORT

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  When a plant cell is turgid (its normal state), the net movement of water into and out of the cell is zero. Thus: (Ψw) = (Ψs) + (Ψp) Note that calculations on this will not be set in the exam. The net direction of osmosis depends on the relative concentration of solutes on the two sides of the cell membrane.

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• [PDF File]Cell Transport Practice Test

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  b. cell membrane c. chloroplast d. channel protein ____ 2. Which of the following is a function of the cell membrane? a. breaks down lipids, carbohydrates, and proteins from foods b. stores water, salt, proteins, and carbohydrates c. keeps the cell wall in place d. regulates the movement of materials into and out of the cell ____ 3.

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• [PDF File]Past Paper Compilation Movement in and out of cells

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  0610 Biology Past Papers 2010 –2016 –Diffusion, Osmosis, and Active Uptake Past Paper Compilation –Movement in and out of cells •Paper 1 •Paper 3 •Paper 6

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• [PDF File]Chapter 8. Movement across the Cell Membrane

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  Permeable cell membrane Need to allow more material through membrane needs to be permeable to… all materials a cell needs to bring in all waste a cell needs excrete out all products a cell needs to export out inside cell outside cell sugarHaa2O lipid salt “holes”, or channels, in cell membrane allow material in & out NH3

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• [PDF File]Movement in and out of cells

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  The definition of active transport is the movement of molecules and ions in or out of a cell through the cell membrane against a concentration gradient, using energy from respiration. A is incorrect as this is the definition for diffusion. C is incorrect as this is urination. D is incorrect as this is the definition for osmosis. 2

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• [PDF File]Movement in and out of Cells - IG Exams

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  which has some of the properties of cell membranes. The student made a bag of Visking tubing as shown in Fig. 4.1. top of syringe elastic band Visking bag knot test-tube starch solution water bag filled with starch solution and placed into a test-tube of water Fig. 4.1 The student added some iodine solution to the water in the test-tube.

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• [PDF File]FILTRATION, DIFFUSION, AND OSMOSIS

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  movement of water in and out of the cell. Hypertonic means that the cell’s environment contains a higher concentration of NaCl than the cell itself has. In other words, the cell’s environment has a NaCl concentration greater than 0.85 %. If cells are placed in a hypertonic solution, there will be a net movement of

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