Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

In the SP phospholipids, transport protelHs, d Figure 2. Structure of the plasma

ID: 279250 • Letter: I

Question

In the SP phospholipids, transport protelHs, d Figure 2. Structure of the plasma membrane. Objective 3-Demonstration of Filtration Filtration is the movement of solutes across a cell membrane from an area of high hydrostatic pressure to an area of low hydrostatic pressure. Only molecules that can fit will move through the membrane. This process occurs as the cardiovascular system forces blood into the kidneys, which serve as filters for your body. It works much like a coffee machine. In this objective you will observe filtration of cat litter through a coffee filter. Answer questions below. 1. In the demonstration of filtration what cellular structure is the coffee filter representing? 1408 Lab Manual 62

Explanation / Answer

Answer =

Table 1.color of solutions for diffusion observations:

1] The Dialysis tubing has the higher concentrationof starch.

2] The beaker had the higher concentration of Iodine.

3] In respect to Iodine ,the beaker is hypertonic.

Hypertonic solution means the solution that has higher osmotic pressure.

The Iodine in beaker has higher osmotic pressure i.e. Hypertonic.

4] In respect to starch the dialysis tubing is Hypertonic.

5] The dialysis tubing represent the cellular structure that is plasma membrane.because its characteristics that is semipermeable in nature as like that of plasma membrane.

6] If dialysis tubing is permeable to starch ,it moved out of the tubing because,there is diffusion occure.

Diffusion is the net movement of solutes from a region of high concentration to lower concentration.

The color of solution in dialysis tubing does not changed ,it remains colorless.

7]

If dialysis tubing is permeable to Iodine ,it into the tubing because,there is diffusion occure.

Diffusion is the net movement of solutes from a region of high concentration i.e. from beaker to lower concentrationi.e. into dialysis tubing.

The color of solution in dialysis tubing changed to black or blue,because Iodine reacts with starch to form black or blue color.

solutions Initial color Final color In beaker Pale yellow pale yellow In dialysis tubing colorless Black/Blue