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Beet Cells Lab Report

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The cell membrane (also known as the plasma membrane or cytoplasmic membrane) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space). It consists of a lipid bilayer with embedded proteins. The basic function of the cell membrane is to protect the cell from its surroundings. The cell membrane controls the movement of substances in and out of cells and organelles. In this way, it is selectively permeable to ions and organic molecules. In addition, cell membranes are involved in a variety of cellular processes such as cell adhesion, ion conductivity and cell signaling and serve as the attachment surface for several extracellular structures, including the cell wall, the carbohydrate …show more content…

The color is due to betacyanin in the cells. Similarly, the color of red onions is due to pigments in a thin layer of cells. In both cases, the pigments are enclosed in membrane-bound vacuoles inside the cells, and we can observe membrane function by observing pigment movement. Vacuoles are fluid-filled organelles found in plant cells that generally contain solutions distinct from the remainder of the cell. We will use the vacuoles of beet cells to investigate conditions affecting membrane function. Roots of beet are red due to the water-soluble reddish pigment called betacyanin, localized almost entirely in the large central vacuoles of cells. In undamaged cells, betacyanin remains inside the vacuole, not being able to pass through the vacuolar membrane. These beets will be in a range of temperate and solvents to see how much damage, if any, will occur on the cell membrane. This damage on the cell membrane will be measured qualitative and quantitative. The qualitative measurement will be using our eyes to estimate the amount of red pigment is in the solution, and the quantitative measurement will be used using a

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1. Cell Membrane - A cell membrane in a cell is like the turnstiles and gates of a baseball stadium. The cell membrane is selectively permeable and the turnstiles or gate only let people with a ticket into the stadium 2. Cell Wall - The cell wall in a cell is just like the support beams of a baseball stadium.

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1485 Words | 6 Pages

Rationale The cell membrane, also called the plasma membrane is found in all cells and separates the extracellular side of the cell from the cytosolic side (Cell membrane (plasma membrane), 2023). The purpose of the cell membrane is to communicate with the cell’s external environment, to contain the cell’s contents and to control the transport of molecules in and out of the cell. Diffusion is the passive movement of molecules from an area of high to low concentration.

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502 Words | 3 Pages

We then obsevered the two slides for number of cells as well as for food vacuoles inside a cell using a microscope at times of 0,5,10,20, and 30 minutes. Results The following graphs show the results of this experiment. The tetrahymena sample that was introduced to concentrated tobacco had a lower cell/vacuole ratio than the tetrahymena sample that was not exposed to

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1127 Words | 5 Pages

Part A: Osmosis practical task Aim: To observe the effects of osmosis in rhubarb cells. Hypothesis: Water will be extracted out of the cells in the salt solution causing the cells to look different to the cells in the freshwater solution. Materials: Rhubarb Distilled water in a dropping bottle Salt solution in a dropping bottle Microscope, slides, and coverslips Forceps and razor blades or scalpel Paper Towel Method: Clean and dry a slide and coverslip.

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Especially since the experiment states that it was a healthy plant, whereas a yellowish, drooping malnourished plant would not be able to provide sufficient data. So for the time being it'll take in CO2 until it stops functioning without the sun. Tube C would also be yellow because there is no longer equilibrium once the plant runs out of initial energy from it's previous lit environment(before being used for the experiment). Tube D will not change because there is nothing with get the blue

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338 Words | 2 Pages

In the pre-lab, we read a few paragraphs on the process of the cell membrane and what happens with a beet cell membrane. We now know that beets contain a red pigment called betacyanin, which is located in the vacuoles of the cells. We learned that as long as the cell and the membranes are intact, then the betacyanin will stay in the cells.

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543 Words | 3 Pages

Cytoplasm is a specially organized solution of salt, nutrients, and complex molecules in water. The composition of cytoplasm may vary among different types of cells, but its purpose is the same – it provides a medium in which complex reactions can occur. For complex reactions to occur, cells need a source of energy.

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1169 Words | 5 Pages

Because carbon dioxide is absorbed by the plant during photosynthesis less carbon dioxide present in the chamber is a sign that photosynthesis is working. The four lights used for this experiment range across the light spectrum on both sides in order to test a wider variety of wavelengths. All lights will be placed directly on the spinach leaf at the same distance so as not to give any spinach leaf a different light intensity, which could affect the data. This experiment will be able to show which light, ranging across the light spectrum, will allow the Spinach to perform photosynthesis more efficiently.

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1061 Words | 5 Pages

This was calculated using the C1V1=C2V2 formula. A photo spectrometer was used to measure, in arbitrary units, the change in membrane permeability of the B. Vulgaris cells. To begin, the B. Vulgaris samples were put into vials containing the distilled water, 40% and 70% Ethanol

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819 Words | 4 Pages

  The cell membrane regulates the deoxyribonucleic acid, enzymes, and it builds a pathways for any reaction such as metabolic.   When waste products are present the cell membrane gets rid of it and the cell membrane allows important things inside .   A great example of what the cell membrane allows in or out is water and oxygen.   Specific molecules are only made to enter the cell which is also called semipermeable.   Molecules can be passed by active transport or either passive transport.

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418 Words | 2 Pages

A cell is like the white house,It has many areas that work differently and have their own job’s to do just like a cell itself . The gates of the white house can be known as the cell wall because the gates surround the white house protecting it from bad things or people who shouldn’t go into the area or premassis. There are people who make things such as clothing or tools inside the white house so this area can act as the smooth endoplasmic reticulum,as for the rough endoplasmic reticulum,the doors can be referred to this because the doors only let certain people into the white house such as the president and his family,the security guard’s because they need to protect the area from bad people and the senators to discuss their work.

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883 Words | 4 Pages

Objective: The purpose of this experiment is to test various temperatures beet have on cell membrane and to investigate how beets will secrete red pigments. As the temperature increases in the cell membrane more dye will be release from the beet. As it expands, kinetic energy will accelerate up the distribution of red pigment to a point where it will damage the cell and the denature of proteins will increase where the dye will be free. Background:

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170 Words | 1 Pages

Our Hypothesis stated in the introduction of the paper was correct. The potato slices in the sucrose solution lost weight (grams), while the potato slices in the water gained weight (also in grams). Osmosis definitely occurred during this experiment. In one short hour changes can be seen between the weights of the potatoes. The skins on the potatoes are made of cellulose, membrane which does not allow osmosis to occur, or water to pass through under normal circumstances.

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1705 Words | 7 Pages

The electrical state of the cell membrane can have several variations. A potential is a distribution of charge across the cell membrane, measured in millivolts (mV). The standard is to compare the inside of the cell relative to the outside, so the membrane potential is a value representing the charge on the intracellular side of the membrane based on the outside being zero, relatively speaking. It has two components an electrical and a chemical.

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1046 Words | 5 Pages

The 3 concentrations of enzymes were 0.5 ml, 1.0 ml, and 2.0 ml of turnip extract, while the substrate consisted of 0.1ml, 0.2 ml, and 0.4 ml of hydrogen peroxide. In a separate tube, the control was made up of turnip extract and guaiacol, known as the color reagent. This was recorded the absorbance every 20 seconds for 3 minutes.

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