The plant pigments extracted in the virtual lab that were water soluble were determined to be in which of the following? in the chloroplast lumen embedded in the photosystem proteins in the cytoplasm of the algae cells mesophyll tissue of the algae
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- An experiment was conducted to demonstrate that chlorophyll is essential for photosynthesis. The procedure followed is given below: • A potted variegated plant was destarched. • Variegated leaves have green parts (where the cells contain chlorophyll) and white parts (where there is no chlorophyll). • A starch test was done on a leaf. • The potted plant was exposed to bright sunlight for 4–5 hours. • After 5 hours, a leaf was removed and tested for starch. How was the potted plant destarched? Explain why all the starch has disappeared during the process Mentioned in QUESTION 1. Describe the steps in the correct sequence that were followed during the starch test. Explain ONE safety precaution that should be taken when testing for starch. Draw a labelled leaf and indicate the colour change in the green and white parts of the leaf, after the second starch test.An experiment was conducted to demonstrate that chlorophyll is essential for photosynthesis. The procedure followed is given below: • A potted variegated plant was destarched. • Variegated leaves have green parts (where the cells contain chlorophyll) and white parts (where there is no chlorophyll). • A starch test was done on a leaf. • The potted plant was exposed to bright sunlight for 4–5 hours. • After 5 hours, a leaf was removed and tested for starch. ---------- 1. Draw a labelled leaf and indicate the colour change in the green and white parts of the leaf, after the second starch test.This is a leaf from Elodea, an aquatic plant. The arrows are pointing out chloroplasts. The field of view diameter is 75 µm. What is the approximate length of one chloroplast?
- A. Eukaryotic Cells We first will examine cells of Elodea, a eukaryote. With forceps, obtain a leaf of Elodea. Prepare a stained wet mount of the leaf by placing the leaf on a slide, placing a drop of iodine stain on the leaf, and covering the slide and leaf with a coverslip. Examine the leaf under 10X magnification, and locate the cell wall, chloroplasts and much smaller mitochondria. Then switch to the 40X objective and examine one cell. To determine the three dimensional shape of the cell, use the fine adjustment knob to first focus on the upper surface of the cell, and then focus down through to the lower surface of the cell. What is the three dimensional shape of the cell? 3Zoom 10:47 AM Fri Feb 12 e 28% AA quizizz.com + - Using the Commutative Property of Addition: Practice a Playing a Game - Quizizz I3D 10/35 In a plant cell, what is found in the chloroplast that gives the plant its green pigment? Chlorplast Photosynthesis Chlorophyll Cell wall Music off ZoomThe light (or light-dependent) reactions occur in the Stroma Matrix Cristae membrane Cytoplasm Thylakoid membrane
- You recently join a lab where professor is looking for photosystem of plants. He told you to isolate chloroplast and look for the photosystem II. Please select the correct sequence of events you are going to perform. options: Homogenize leaves à differential centrifugation à Fractional Solubilization à Affinity purification Homogenize leaves à Fractional Solubilization à differential centrifugation à Affinity purification Differential centrifugation à Homogenize leaves à Fractional Solubilization à Affinity purification Affinity purification à differential centrifugation à Fractional Solubilization à Homogenize leavesA pigment was extracted from a plant. After the centrifugation step, the color remained in the liquid. What can you conclude? This pigment is water soluble and floating in the stroma. This pigment is embedded within the plasma membrane. This pigment is not used in photosynthesis. This pigment was damaged in the extraction process. This pigment is embedded within the thylakoid membrane.An experiment was done to determine how color of light and distance affects photosynthetic activity of the pond weed. Pond weed was placed in a test tube containing a solution of sodium hydrogen carbonate, and had its end cut; light was placed 50 cm away and four colors were tested (clear, red, blue, and green). After placing the light, the pondweed was given a certain amount of time to adjust before counting the bubbles, bubbles were counted for 1, 3, and 5 minutes. Only the bubbles that came out of the cut end was counted to represent the rate of photosynthesis. Below is the tabulated results. What are the possible factors or errors that could have affected clear/white light to have lower photosynthetic activity? In theory this should have the highest rate.
- Below is a cutaway drawing of a chloroplast. Please answer the following questions by choosing from the Word Bank. Grana CO2 fixation the Outer Membrane Photophosphorylation The arrow at "A" is pointing at the the bracket at "D" is Thylakoids Calvin Cycle function performed in the "B" area is occurs at arrow or at arrow The structure that receives input from "F" is F Stroma The arrow at "C" is pointing at the 3 Dark Reaction Light Reaction Inner membrane CK The arrow at "B" is pointing at The function performed at “C” and at "D" is [ The arrow at "E" is pointing at the The structure indicated by The ATP is synthesized at arrow The dark reactionvisit: https://www.youtube.com/watch?v=EMNFZnDt75c Attempt to identify the single cup-shaped chloroplast containing the eyespot for phototaxis (phototaxis: moving toward or away from light). This will be a different color than the rest of the cell. What color is it?A pigment was extracted from a plant. After the centrifugation step, the color remained in the liquid. What can you conclude? This pigment is water soluble and floating in the stroma. This pigment is embedded within the plasma membrane. This pigment is not used in photosynthesis. This pigment was damaged in the extraction process. This pigment is embedded within the thylakoid membran