FINAL LABS_BIOS251_Online Labs_Week 3 Membrane Transport Lab (1)

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Lecture 6-Worksheet Part 1: Below are TWO ER bound proteins. The green region is indicating the ER transfer signals. 1. Can you label the start and stop transfer signals based on the rules we just went over? 2. Draw and label these proteins. (1) (2) N N ER lumen Part 2: Sketch the orientation of this protein as it would appear in the transport vesicle and plasma membrane. membrane-enclosed organelle (e.g., ER or Golgi) vesicle plasma membrane 1₂:0. 0-9 ? CYTOSOL extracellular fluid 165

need help with Q6- the table above connect with helping answer the table.  Thanks!

Unit 2: Cells Test Review Cell Transport Label the following pictures: active transport, passive osmosis, passive diffusion, or passive facilitated diffusion. We o Why does Active Transport require ATP energy? What is your vocabulary word that means balance/ equillibrlum? Solutions 1. Label the below images of solutions: hypertonic, hypOtonic, or isotonic. 2. Write if the cell will be at equilibrium, shrink, or swell. 3. Explain where the most water is (inside the cell or outside the cell). 4. Explain where most of the water will move (inside the cell or outside the cell). Water O Water Water Water o O Water Water O Solute O Solute O Solute Explain if water will fNow into or out of the cell in the following scenarios: 1. Salt is 30% inside the cell and 35% outside the cell. • Water is % inside the cell % outside the cell • Waler will flow [inside /outsidel so the cell can reach equilibrium.

he cell TOPIC 2.4 Plasma Membranes ENDURING UNDERSTANDING ENE-2 Cells have membranes that allow them to establish and maintain internal environments that ere diferent from their external environments. LEARNING OBJECTIVE ENE-2.A Desaribe the roles of each of the components of the cell membrane in maintaining the intemal environment of the cell. Label the hydrophobic and hydrophilic parts of one phospholipid. There are three proteins embedded in the membrane. Choose a color for ESSENTIAL KNOWLEDGE ENE-2.A.1 Phospholipids have both hydrophilic hydrophobic R groups and hydrophobic regions. The hydrophilic phosphate regions of the phospholipids are oriented toward the aqueous external or internal environments, while the hydrophobic and hydrophilic R groups. Color oode the regions of each protein. Predict what would happen if a mutation caused one of the hydrophobic R groups to be switched with a hydrophilic R group. Explain your thoughts: fatty acid regions face each other within the…

Uncommon Schools Change Hstary Name: Date: U2L3 -8th Science: Cell Transport: Diffusion & Osmosis Team: 7. What is the difference between osmosis and diffusion? 8. For each of the situations below, indicate the water concentrations both inside and outside the cell. 1% sugar 3% sugar 1% sugar 5% sugar 1% sugar 1% sugar 9. In each of the situations above, indicate the direction of water movement 10. Explain why you drew the arrows in that direction. 11. Where would water move? 5% NaCI 5% NaCl 95% H2O 95% H2O 10

8. Define homeostasis. maintoining nterral balance 9. What role does the cell membrane play in maintaining homeostasis? 10. How is facilitated diffusion different from diffusion? How are they similar? 11. List two ways that active transport is different than passive transport. 1) 2) 12. Why is the sodium-potassium pump considered an active transport? Which direction are the sodium and potassium bing pumped? How many sodiums are being pumped? How many potassiums are being pumped?

ntity_Sound+of+Waves (1) x S Forrar (wrap) y decorar tu libre S Schoold A districtims.seattleschools.org/common-assessment-delivery/start/5398502362?action3Donresume&submissionld%=657119921 Concentration, Osmosis, and Cell Environments HW Quiz Assume that the picture below shows environments on two sides of a selectively permeable membrane. Assume the light blue circles are wa molecules. Assume the red circles are glucose molecules. Which side has the higher concentration? water molecules will flow to the left water molecules will flow to the right water molecules will flow both ways, but mostly will flow to the right water molecules will flow both ways, but mostly will flow to the left water will flow to the left and glucose will flow to the right water will flow to the right and glucose will flow to the left Which best describes the way that the particles move?

Extension Questions: Rate of Transport -> Concentration difference Active Transport Diffusion Facilitated Diffusion 39. Using your knowledge of mechanisms of transport across membranes, suggest why the rate of diffusion shows a linear trend as concentration difference increases, whereas the rate for facilitated diffusion eventually reaches a maximum. 40. Why does active transport, on the same graph, start off with such a high initial rate compared to diffusion and facilitated diffusion?

Part I – Introduction to Diffusion and Osmosis1. Define the terms diffusion, passive transport, active transport, and osmosis. In each of your definitions, describe the role of a concentration gradient. 2. Biological membranes are said to be selectively permeable (or semi-permeable). What does this term mean, and how does this affect the way that molecules are able to move through cellular membranes? 3. Which type of molecule is more likely to quickly pass through a cellular membrane via simple diffusion, polar or nonpolar? Why? (You may need to use information from your textbook and class discussions to answer this question.)

4U Goals on Skills Action IIUW CU Small sites Italie Chanyes! Choose one of the graphs below and interpret and analyse the graph about cellular transport. Please comment on another classmate's post who chose to do a different graph from you. Graph 1 300 450- 400- facilitated diffusion 350- Rate of glucose uptake / 300- mmol cm →cells hr- 250- 200- 150- 100- 50- simple diffusion 0- 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 External concentration of glucose / mmol dm The rate of glucose uptake by facilitated diffusion and simple diffusion in different concentrations of glucose. by Jay Reimer Graph 2 AUG active transport 2

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A Q 5. When given images such as the ones below, be able to identify the specific type of cell transport shown. Practice using this online interactive activity. Passive or active transport B Type of Transport Page 8 of 10 761 words MTX English (United States) 2 W S 2² *3 # 80 F3 E T D ECF Na pump 9 Cytoal $ 00 4 BIRD ATT 929 R F Image F4 % 5 T G FS 6 MacBook Air Fo Y = & 7 Type of Transport ◄◄ U * 8 ▶ 11 FB 1 - 0 9 Focus F9 00 ) O 3 F10 P I' F11 { + = + 212% F12

LAB EXERCISE 3A A. Cell Membranes. In the square provided, draw a double layer of phospholipids with a large protein embedded within it. Label the parts of this phospholipid bilayer that are partially charged (polar) and uncharged (non-polar). B. Anatomy of a Cell. Draw a "typical" cell in the space below (see lecture notes or the labeled/unlabeled Images on Canvas). Sketch the following organelles within the cell and label them. Plasma (Cell) Membrane Nucleus Ribosome Rough Endoplasmic Reticulum Smooth Endoplasmic Reticulum Golgi Apparatus Mitochondria Lysosome Cytoplasm Microvilli Cilia A region of exocytosis

What is isotonic solutions hypothetical concentration of solvent and solute?

only do the letter d

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11:36 PM Fri Oct 9 - 28% I T of +: 0 List 4 functions of the cell or plasma membrane: 1. 2. 3. 4. Correctly color code and identify the name for each part of the cell membrane. Name/Color Phospholipid bilayer (no color) Name/Color Cholesterol (green) Letter Letter Transport protein (pink) Carbohydrate (red) Fatty acid tails (orange) Phosphate heads (yellow) 王 F B b. Match the cell membrane structure or its function with the correct letter from the cell membrane diagram. Letter Structure/Function Letter Structure/Function Attracts water Repels water Helps maintain flexibility of Make up the bilayer membrane Involved in cell-to-cell Help transport certain materials recognition across the cell membrane 2 3 >

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decor isLhetims.seattleschools.org/common-assessment-delivery/start/5398502362?action3Donresume&submissionld%=657119921 Concentration, Osmosis, and Cell Environments HW Quiz For each of the drawings, label what kind of environment it is in, how you know this, and what is happening to the cell. This cell is in a isotonic v solution. I know this because This cell will More water is coming in than going out More water is going out than coming in The same amount of water is going out and coming in

Physiology - question 1 a-c

Learning Goal: A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur. To learn about osmosis and about isotonic solutions, hypertonic solutions, and hypotonic solutions. Osmosis is the net movement of water across a semipermeable membrane from an area of lower concentration to an area of higher concentration. Solution A: 1.28 % (m^v) NaCl Solution B: 2,46 % (m/v) glucose Solution C: distilled H20 Solution D: 8.03 % (m/v) glucose Solution E: 5.0% (m/v) glucose and 0.9% (m/v) NaCl (Figure 1) Drag each solution to the appropriate bin. The water will continue to move across the semipermeable membrane as the system attempts to reach equilibrium, where both solutions have the same concentration. • View Available Hint(s) Reset Help There are three different ways a solution can be described in relation to a cell placed in the solution: isotonic, hypotonic, and hypertonic. Compared to a cell, an isotonic solution exerts the…

Link each process with the correct definition. RECEPTORMEDIATED ENDOCYTOSIS PHAGOCYTOSIS PINOCYTOSIS EXOCYTOSIS 1. A cell ingests a large particle, such as a bacterial cell. 2. Receptor proteins embedded in the membrane recognize specific surface characteristics of substances. 3. A transport vesicle inside the cell approaches the plasma membrane of the cell, fuses with it, and releases its contents to the outside of the cell. 4. A vesicle containing whatever molecules are in solution outside the cell bulges inward, pinches off, and enters the cell.

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