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- The thylakoid membrane of the chloroplast has features similar to the mitochondrial inner membrane. Which of these features is NOT a common feature? has photosensitive pigments has ATP synthase enzyme embedded in the membrane has limited permeability to protons is made of phospholipids is embedded with electron transport chain proteins.Elodea is an aquatic plant native to Florida. A process called cytoplasmic streaming or cyclosis occurs in Elodea cells, where there is movement of the cytoplasm. The same phenomenon is also observed in animal cells. Below is a microscope image of Elodea cells. 1. Describe the overall shape of the Elodea cells. 2. Label the cell wall of an Elodea cell. 3. Are chloroplasts abundant in the Elodea cell? How many chloroplasts do you think are visible? 4. What are two abiotic (non-living) factors that influence the growth of Elodea?The diagram below shows the thylakoid membrane. Give reasons why you think the structure you see is PSI, PSII, cytochrome, or ATP synthase. STROMA Thylakoid membrane Lumen CP43 2H₂O D2 Cyt Osse Pheo Tyrz Mn Peao Mn D1 Mn Mn CP47 MSP O₂ + 4H*
- ⁰ с B D A the chloroplast C (single stack) outer membrane A inner membrane B & FREE MATERIAL REPRODUCTION OF THIS WORKSHEET IS ALLOWED AND ENCOURAGED. 1. 2. 3. 4. 6. PH: low 7. water 8. oxygen Lumen 5. light thylakoid stroma D ribosomes granum H+ starch granule 10. lamellae H+ 11. plastid DNA ATP intermembrane space 9. chloroplast envelope 12. carotenoids pH: the reactionsIllustrate the relationships among the membranes and compartments of (a) mitochondria and (b) chloroplasts by sketching simple concentric circles to represent the membranes. Choose the appropriate labels for each sketchfrom the following list: inner membrane, outer membrane, thylakoid membrane, stroma, thylakoid lumen, matrix.Chloroplasts are responsible for photosynthesis in eukaryotic cells of plants and algae. The primary pigment (chlorophyll) responsible for this reaction is retained in the of the chloroplast. Group of answer choices Inner Membrane Thylakoid Membrane Cristae Outer Membrane
- In chloroplasts, protons are pumped out of thestroma across the thylakoid membrane, whereas in mito-chondria, they are pumped out of the matrix across thecrista membrane. Explain how this arrangement allowschloroplasts to generate a larger proton gradient acrossthe thylakoid membrane than mitochondria can generateacross the inner membrane.Diagram 4: The Light Reactions of Photosymtnes STROMA dow soncentrations Photoeystem PhotoeytmE oomple Light Ligt THYLAKOID SPACE Ohigh concentration) Thylakold membrane ATP wynthase STROMA low H concentration) ADP en from a chloroplast inside of a le the light dependent cyde that take place along the thylakoid membrane a Diagram 4 shows a single thylakoid membrane In photosystem I and II, an electron will O be transferred to ATP be transferred to NADPH lose energy gain energyWhich of the following statements incorrectly describes the structure of a chloroplast? A chloroplast has both an outer membrane and an inner membrane, often separated by a narrow intermembrane space. The inner membrane of the chloroplast encloses the stoma, a dense fluid filled with enzymes needed for photosynthesis. A chloroplast contains thylakoids, which are flat, saclike structures suspended in the stroma. Thylakoids of a chloroplast are arranged into stacks called grana.
- Which of the following does NOT apply to chloroplasts? They contain an internal membrane system consisting of thylakoids They contain chlorophyll and the enzymes required for photosynthesis They are bounded by two membranes, the inner of which is folded into the cristae They synthesize ATP (adenosine triphosphate) from ADP (adenosine diphosphate) and Pi (inorganic phosphate)What are grana? convolutions of the inner chloroplast membrane pigments found in chloroplasts thick fluids inside chloroplasts stacks of membranous sacsThe site of photosynthesis: اختر احدى الدجابات Contractile vacuoles Cytoskeleton Ribosomes Chloroplasts Mitochondria