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- Select the appropriate transport mechanism(s) that is/are described below. 1. Requires expenditure of energy in the form of ATP to transport cell materials. a. Active Transport b.Bulk Transport c. Passive Transport d. Active and bulk e. Active and passive f. bulk and passive 2.Re-absorption of nutrients in the kidney. a. Active Transport b.Bulk Transport c. Passive Transport d. Active and bulk e. Active and passive f. bulk and passive 3.Gas exchange of organisms is an application of this process.a. Define diffusion. Is diffusion a passive or an active process? Explain how solute moves in this way. b. Use your knowledge of diffusion to explain what happened over time when you observed a crystal of methylene blue dropped into a beaker of water. Be sure to use equilibrium in your explanation. c. Explain your observations over time after a drop of methylene blue and a drop of potassium permanganate were placed in the agar. What factors affect the rate of diffusion? d. What are tissues? Name the four major types of tissues in the human body. e. Name the three primary germ layers. Name the primary germ layers from which epithelial tissues and connective tissues develop. f. List general characteristics that all epithelial tissues have in common. g. Name the functions of epithelial tissue. Which type of epithelial tissue is found in areas that need protection? h. Know how to identify simple squamous epithelium, simple cuboidal epithelium, simple columnar…Which of the following will saturate as solute concentration increases? a. Transport of sucrose down its concentration gradient by the carrier protein GLUT2 b. Transport of chloride ions out of the endoplasmic reticulum and into the cytoplasm via a channel protein c. Engulfing of a pathogen by a white blood cell during an immune response d. All of the above
- Choose pne of these choices: A. Water molecules will still be able to move across the cell membrand but at a slkwer rate. B. Water moleces will no longer be able to move across the cell membrane. C. Water molecules will move across the cell membrand at a faster rate without the aquaporin regulating their flow. D. Water molecules will only be able to enter the cell by active transport.a. Substance X is transported by passive transport and Substance Y is transported by active transport b. Substance X is transported by active transport and Substance Y is transported by passive transport c. Substance X is transported by active transport and Substance Y is transported by active transport d. Substance X is transported by passive transport and Substance Y is transported by passive transportA 500mL beaker is equally divided by a membrane permeable only to NaCl. Side A contains 250mL of a 1x10-6M of NaCl. Side B contains 250mL 1x10-12M of NaCl. In which direction will the NaCl diffuse? Select one: a. Diffuse Side A to Side B. b. Diffuse Side B to Side A. c. No diffusion will occur; it is already at equilibrium.
- Red blood cells shrivel when placed in a 10% sucrose solution. When first placed in the solution, the solute concentration of the cell is______ the concentration of the sucrose solution. After the cells shrivel, their solute concentration is______ the concentration of the sucrose solution. A. Greater than... equal to B. Equal to... equal to C. Less than... greater than D. Less than... equal to E. Greater than... less than41. A TRANSPORT MECHANISM ACROSS A MEMBRANE WHERE THE MOVEMENT OF THE SOLUTION IS FROM HIGHER TO LOWER CONCENTRATION UNTIL SUCH TIME THAT EQUILIBRIUM IS ESTABLISHED?A. OSMOSISB. FREE DIFFUSIONC. FACILITATED ABSORPTIOND. ACTIVE TRANSPORTE. DIALYSIS 42. BIOMOLECULES ARE HYDROLYZED FIRST INTO THEIR SIMPLEST FORM BEFORE THEY CAN BE ABSORBED BY THE TISSUES. GLUCOSE ABSORPTION IS THROUGH WHICH OF THE FOLLOWING?A. OSMOSISB. FREE DIFFUSIONC. FACILITATED ABSORPTIOND. ACTIVE TRANSPORTE. DIALYSIS 43. A TRANSPORT MECHANISM THROUGH MEMBRANE WHICH NEEDS ATP?A. OSMOSISB. FREE DIFFUSIONC. FACILITATED ABSORPTIOND. ACTIVE TRANSPORTE. DIALYSIS 44. TRANSPORT MECHANISM ACROSS MEMBRANE OF GASES?A. OSMOSISB. FREE DIFFUSIONC. FACILITATED ABSORPTIOND. ACTIVE TRANSPORTE. DIALYSIS 45. A TRANSPORT MECHANISM IN WHICH SMALLER PARTICLES PASSES THROUGH MEMBRANE BUT NOT THE BIG ONE?A. OSMOSISB. FREE DIFFUSIONC. FACILITATED ABSORPTIOND. ACTIVE TRANSPORTE. DIALYSIS9. Side A of a tube has a glucose concentration of 100 mOsm. Side B has a NaCl concentration of 100 mOsm. Assuming the membrane works as cells do in the body, how will the water move and why? a)
- A hypertonic glucose solution A. Causes cell hemolysis B. Has the same osmotic pressure as red blood cells C. Causes cell crenation D. Has a concentration less than an isotonic solutiona. integral memebrane protein that crosses membrane multiple time b. lipid-linked membrane proteins c. peripheral memebrane protein d. integral memebrane protein that crosses membrane inceTransepithelial transport of glucose by the enterocyte utilizes which of the following sequences of transport processes during absorption of glucose? A. First facilitated diffusion, then secondary active transport B. First primary active transport, then facilitated diffusion C. First primary active transport, then secondary active transport D. First secondary active transport, then facilitated diffusion E. First secondary active transport, then primary active transport