If you had a dialysis tube that contained 1.3M sucrose solution and you put it into a beaker containing 0.4M sucrose solution. Which direction Would the water move

Q: did water flow into or out of the plant cells (potato cells) in each of the samples examined? How do…

A: Osmosis is the movement of water molecules or solvent molecules from its high concentration towards…

Q: It a student placed a starch in the beaker liquid and iodine solution inside the dialysi tubing bag,…

A: Iodine solution is a good indicator molecule, especially a starch or glycogen indicator. It is a…

Q: Why does counting 5 Boxes in each chamber of the hemacytometer gives you the number of cells in a ul…

A: Hemacytometer is a medical instrument used to measure the concentration of blood components in a…

Q: The student used three different 250mL flasks, each with 10g of sugar added to them. In flask one 3g…

A: Yeasts are fungus with the ability to perform alcohol fermentation. During this process, the product…

Q: In the data given, it is all about measuring the concentration of salt solution using salometer in…

A: Introduction: Distilled water is water that has many of its impurities removed through distillation.…

Q: Two pieces of potato are placed in unknown solutions and left overnight.  The mass of the two pieces…

A: Passive transport mechanisms are processes in which cellular components move from one region to…

Q: You want to add cells at a density of 3 x 104 cells / cm2 to a 12-well plate where each well has an…

A: Cell density:It is very tightly regulated and varies very little among given cell type. Changes in…

Q: What is the concentration of cells in the original cell suspension?

A: we can use the dilution formula:C1 V1 = C2 V2where:EXPLANATIONC1 is the initial concentration of the…

Q: You collected 1000 mL of river water from the stream running through campus. You prepared dilutions…

A: Introduction  A dense solution can be made into a more useful concentration by performing a series…

Q: An iodine solution was sealed inside dialysis tubing, then immersed in a cup of water containing…

A: Dialysis membrane is a semipermeable membrane and allows only a few substances to pass on as…

Q: (b) Define concentration polarization and polarization modulus. How is polarization modulus…

A: CP is a process of accumulation of retained solutes in the membrane boundary at the feed side. It is…

Q: When doing a routine differential count for a CBC how many cells are counted?   a) 50 b 75 c 100…

A: CBC It is complete blood count which refers to the set of tests that gives the details of cells in…

Q: Please answer fast 1:10 dilution is made of a solution. DRAW how you would make a further 1:10,000…

A: Make a 1:10 dilution of a 1M NaCl solution, so mix the one "part" of the 1M solution with nine…

Q: You collected 1000 mL of river water from the stream running through campus. You prepared dilutions…

A: Serial dilution is a common laboratory technique for lowering the concentration of a substance in a…

Q: Which of the following molecules can diffuse across the dialysis tubing? a. Iodine b.Starch…

A: Cell membrane is the semi permeable ( selectively permeable) membrane that surrounds a cell and…

Q: You have are diluting down a concentrated stock of bacteria in order to grow them. Starting with 2.1…

A: A thick solution can be made into a more useful concentration by performing a series of sequential…

Q: You perform a series of 4 different dilutions of 200 µL of sample into 800 µL of saline. What is the…

A: Dilution factor can be calculated using the formula:C1V1=C2V2

Q: If you performed the serial dilution using 0.9ml of tapwater originally and mixed and transferred…

A: A serial dilution is one of the techniques which is useful in microbiology, serology, and other…

Q: Writé án appropriate aim for the students' experiment. p) What is the purpose of beaker 2 in this…

A: Dialysis : It is a procedure to remove waste products and excess fluid from the blood when the…

Q: Suppose you have a suspension of HeLa cells with a cell count of 85,000 cellsper ml, and you want to…

A: HeLa cells were discovered in 1950s and is named after the women from whom these cells are taken…

Q: ow do you figure out a number of live cells using flow cytometry results?

A: Flow Cytometry is a technique used to determine and analyze the characteristics of cells using…

Q: Suppose you inoculated two 0.4% semi-solid agar deeps: one deep was inoculated with a motile…

A: A spectrophotometer is a scientific instrument used to measure how much light of a particular…

Q: What is the principle of counting with a hemocytometer? What are the advantages and disadvantages?

A: Answer: HEMOCYTOMETER : It is the tool used in most of the biochemistry and biology labs in order to…

Q: determine the concentration of glucose in an unknown solution. Mention how you will calibrate the…

A: Spectrometer is a type of instrument, which is used to measure the transmission of UV or visible…

Q: The student used three different 250mL flasks, each with 10g of sugar added to them. In flask one 3g…

A: Data Table: Any tabular display of information with named rows and/or columns is called data table.…

Q: The student used three different 250mL flasks, each with 10g of sugar added to them. In flask one 3g…

A: Yeast are the single celled organisms that can convert sugar and starch into carbon dioxide and…

Q: Which of the following is true about starch and iodine diffusion?     Starch was not able to…

A: Diffusion is defined as the movement of molecules from the higher concentration to the region of…

Q: Indicate whether you think that the number of cfu/ ml calculated would be too high or too low if you…

A: Cfu refers to the colony forming unit which is formed through continuous replication of a single…

Q: Five dialysis bags, impermeable to sucrose, were filled with various concentrations of sucrose and…

A: Five dialysis bags with varying sugar concentrations are provided. However, the bag's membrane is…

Q: You perform a nitrate test. After adding solutions A and B, the broth remains colorless. Why should…

A: Nitrate test helps us to determine the production of nitrate reductase enzyme. By the activity of…

Q: draw the results of a flow cytometry experiment in which one set of cells is treated with vehicle…

A: Taxol is a microtubule-stabilizing drug commonly utilized to treat cancer and can actuate cell cycle…

Q: The cell is usually placed after the monochromator, except in the case of using a multichannel…

A: A multi-channel analyzer is an instrument used in laboratory and field applications so to analyze an…

Q: You set up an experiment where you place a sealed (clamped) dialysis tube cell in a beaker of water.…

A: Dialysis: it is a process to remove the waste material of the body in the patients of kidney…

Q: You have cultured cells in 10mL of medium. You take a sample and view it under a hemocytometer. The…

A: The objective of this question is to calculate the total number of cells in the culture medium using…

Q: Imagine you repeated the counting of N. crassa conidial cells and found an average number of cells…

A:

Q: How does concentration of the buffer affect current in electrophoresis? What are the implications on…

A: In electrophoresis if electric current is applied to ions of a medium then the ions will move within…

Q: 3. (a) What are the different methods of cell lysis? Discuss in detail.

A: Cell disruption is the process of rupturing (or lysing) cells in order to obtain the intracellular…

Q: During the Part B of Lab 5 the following data was collected: Mass of Time tubing 0 minutes 19.730 g…

A: Osmosis is the movement of water or any solvent molecules through a semi-permeable membrane from a…

Q: Which of the following would NOT be able to be separated out of a solution using a dialysis…

A: The dialysis membrane is one of the critical components that determine dialysis performance. These…

Q: After filtering off the yeast in a difficult process, using a Celite pad to the filtrate which…

A: Celite is a substance that is most commonly used for the purpose of filtration. Celite is composed…

Q: b. On the plates containing the 105 plated dilution factor, you count 255 colonies on one plate and…

A: Microbiology is the branch of science that deals with the study of tiny microorganisms. A standard…

Q: teven mixed 30 μL of cells with 150 μL of cell culture media, then transferred 10 μL to the…

A: A hemocytometer, also known as a counting chamber, is a laboratory device used to count cells or…

Q: In the experiment, imidazole is used to elute mCherry from the column. Instead of using imidazole,…

A: Imidazole (ImH) is an organic compound with the formula C3N2H4. It is a white or colourless solid…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.