b. View the images of the Test 4 chromatography results and record the colors of the pigments produced for each of the 4 plant species in the appropriate column . Record the colors in the data table below. Test 4 – Paper Chromatography to Separate Plant Pigments "Spof your yaper and label it wth a penci. Ispecies Botana Curus Y Colors found Green, blue, red
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![b. View the images of the Test 4 chromatography results and record the colors of the pigments
produced for each of the 4 plant species in the appropriate column . Record the colors in
the data table below.
Test 4 – Paper Chromatography to
Separate Plant Pigments
"Spof your
chromatography papar
and label it wth a penci.
Ispecies
Botana Curus
Y
Colors found
Green, blue, red
N](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe649d431-46b1-470c-9f41-1129a156e966%2Fb961dda6-7f53-429d-8d22-d38eb9198088%2Fc6r555a_processed.png&w=3840&q=75)
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- C. Spectrophotometric Measurements of the Hill Reaction 1. Place 15 mL of the 0.05-mg chlorophyll/ mL suspension in a test tube. Wrap the tube with aluminum foil and chill in an ice bucket. This is the source of unheated chloroplasts. 2. Place the remaining 10 mL of the 0.05-mg chlorophyll/mL suspension in a test tube and heat until boiling using an alcohol lamp. Heating inactivates the chloroplasts. Stand the heated mixture for 5 min. to allow the debris to settle.Make a concept map/flow chart for this technique (Cellulose Tape Perianal Swab)Laboratory Report Sheet – ENZYMES Procedure: Potato Peroxidase a. Prepare 3 test tubes. Place 1 mL of potato extract to each test tubes. To the first test-tube - add 5 drops of 1% phenol+ 3 drops of H2O2 second test tube – add 5 drops of catechol or pyrogallol + 3 drops H2O2 third test tube - add 5 drops of guiac solution + 3 drops H2O2 b. Shake well and observe change in color. 2. Repeat procedure 1, a, b, and c, but this time use boiled potato extract. QUESTION: WHAT ARE THE OBSERVATIONS FOR EACH TUBE?
- Write the procedure for the following 1. Celloidin embedding 2. Vacuum embedding 3. Epoxy embedding 4. resin embeddingO c. bends the light toward the eye and makes the specimen app d. Magnify the apparent size of the specimen Clear my choice What is the purpose of a wet mount slide preparation? Select one: a. None of the answers are correct b. improves the image quality and supports the specimen c. helps to identify diff ent types of cells O d. helps to dilute the specimen. What is the purpose of xylene (xylol) in the isolation and identificat Select one: a. it is used as a clearing agent. O b. it is used as a counter stain. O c. it is used as a decolorizer. d. it is used as staining agent. Clear my choice Macblackboardcdn.com/5bfc08ba3fldc/14683296?X-Blackboard-Expiration=16245468000008X-Blackboard- 19 / 47 100% 1.4. Functions of the light mlcroscope parts Complete the following table by writing the function(s) of each of the parts indicated. Structure Function Diaphragm / iris Stage opehing Lamp Objective lenses Eye piece Coarse and find adjustment knobs Stage Stage rack prt sc delete home backspace lock enter pause t shift
- To observe T. spathacea cells, a sharp blade was used to peel off a thin portion of the lower epidermisof the leaf and was placed on a clean glass slide. One to two drops of 0.01 M NaCl solution was added and a coverslip was placed. The procedure was repeated using 0.30 M NaCl. The leaves were examined under LPO and HPO. A portion with only a single layer of cells was observed. Cells under HPO are shown in your worksheet. Give a short description of the T. spathacea leaf cells in 0.01 M and 0.30 M NaCl solutions. In the figures, label the cell wall, vacuole and tonoplast. Be sure to show the differences between the two leaves and describe them. Notice if the anthocyanin moved out of the vacuole.ascocarps from along the petri dish perimeter. Leave this Sordaria cross plate out of direct sunlight at 22-24 degrees C for 8-10 days. After this incubation the mature Sordaria cross plate cultures will look like the image on the right above. Use a toothpick or sterile loop to remove several ascocarps (see page 2 of the pre-lab file) from one of the hybrid zones. Make a wet mount of the ascocarps on a microscope slide and gently press the coverslip with your thumb or the eraser on the end of a pencil until the ascocarps are broken open. This will release clusters of asci. Place the slide under the microscope and scan the slide looking for clusters of released asci. Identify hybrid asci (with both dark and tan spores). Once you have found a cluster of hybrid asci score as many asci as possible for the arrangement of dark and light spores looking for asci where crossing over has taken place (see pre lab file) and below: No crossing over: Crossing over: For the asci shown in the figure…Based on your chromatography strip, which plant pigment is the most polar? Group of answer choices Green Blue-Green Yellow
- 1 mm Identify the given specimen ? is it from a vasular plant or non-vascular plant? For the toolbar. press ALT-F10 (PC) or ALT+FN+F10 BIVThe benefits of the negative stain include: Mark all that apply: 1. No shrinkage or distortion of cells due to no heat fixing 2. Because the cells don't take up stain they don't get shrunk or distorted 3. One can more accurately determine the cell size and shape because there is no shrinkage or distortion of cells 4. Negatively charged dyes are safer to work with than positively charged dyes 5. One can more accurately determine cell size and shape because the cells stand out against the backgroundIf the blue pigment traveled 1.5 cm, what is its Rf value? Round your answer to 2 decimal places. Enter the number only. Don't enter units as part of your answer and don't use commas or scientific notation. maximum distance the eluent traveled d = 11 cm Eluent distance the spot traveled d = 9 cm