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- II. Plant A. Explain how respiration takes place in plants in: Roots Leaves Stem1.Respiration of germinating seeds ( which have been soaked in water) vs. dormant (non-germinating l) seeds (dry-out of the package) vs crickets). Which will show a faster respiration rate? 2. Respiration of all seeds at room temperature, vs. in a cold (10 degree C) environment. All else is being equal, should respiration be faster at room temperature or at 10 dgeree.1p Terrestrial plants have stomata on the surface of their leaves. A single stoma is surrounded by two guard cells that change shape in response to environmental factors and open or close the stoma. Which of the following best explains how the structure of the leaf is used in processes that occur in the plant? * Water enters the plant through the surface of the leaf for transpiration. O Gases for photosynthesis are exchanged through the surface of the leaf. O Micronutrients are taken in through the microscopic stoma O Energy for cellular reproduction is absorbed through the surface of the leaf. The image below shows 2 processes that occur in plants and one proces take
- PLANT RESPIRATION -PROVIDE THE RESPIRATION PROCESS ON THE FOLLOWING PICTURES. - SIGNIFICANCE OF RESPIRATION IN PLANTS - BENEFITS OF PLANTS THAT CAN PROVIDE Photosynthesis (during day) Ground level Root carbon dioxide taken up from the atmosphere CO2 axygen added 02 to atmosphere sunlight Soil particles H20 water through leaf veins CARBOHYDRATÉS Air spaces O Root hair ENERGY espirdt H20 water vapor added to atmosphere O2 oxygen up from the atmosphere lenticels CO2 carbon dioxide added to atmosphere Respiration (night & day) RESPIRATION THROUGH STEM RESPIRATION THROUGH ROOTS RESPIRATION THROUGH LEAVESof the claSS. 1. How do plants acquire the starting reactants of photosynthesis (CO, and H,O)? What do plants do with the products of photosynthesis (O, and carbohydrates)? 2. A plant may be using more energy to fuel life processes (cell respiration) than it is taking in through photosynthesis either because its cell respiratory rate is elevated or because photosynthetic rate is diminished. a. What is one potential reason why a plant may be forced to elevate its cell respiratory rate? b. What is one potential reason for why a plant may experience diminished photosynthetic rates? 65 1161_Ch_12_M....pptxO b. Green plants do not have asex oduction. Green plants differ from the algal Charophycea in: Green plants do not have growth throughout the whole length of the stem. a. O c. Green plants have seeds. d. Green plants have vascular tissue. O e. Green plants use phragmoplasts.
- Imagine your research lab is studying the anti-aging effects of a phytochemical. Which of the following methods could be used to measure mitochondrial function in cells treated with the phytochemical? a western blot of the electron transport chain proteins measuring cellular ATP levels measuring oxygen consumption B & C all of the above4. Define transpiration and give some of its significance 5. How do root hairs absorb water? 6. A plant hormone was first discovered in Japan when rice plants were suffering from Bakanae disease caused by Gibberella fujikoroi. Based on this information answer the following questions: a. Identify the hormone involved in this process. b. Which property of this hormone causes the disease? 7. Name the gaseous plant hormone and describe three different actions of this hormone in plants. 8. Explain how the auxin:cytokinin ratio affects plant growth.2) Research current topics in increasing crop yields related to increasing photosynthetic efficiency. Research topics may include specific research on C3, C4, and CAM plants. What type of photosynthetic pathways do our major plant crops carry out (the major crops are soy, rice, corn, and wheat)?
- 1. Where did the droplets of water in a plant covered with a sealed cellophane? 2. In what form was this water given off by the plant covered by a sealed cellophane? 3. If plants need water, why do they lose it? 4. Why is transpiration an important part of the water cycle? 5. List at least three contributions of transpiration to plants. i hope you can answer everything. thank you so much!. Describe how photorespiration lowers photosyntheticoutput for plants.1. Explain how leaf surface area is correlated to plant transpiration and photosynthesis. Discuss the impact or consequences of having a small or large leaf surface area, to the overall photosynthetic rate and transpiration rate of a particular plant. 2. Distinguish compound leaves from simple leaves and provide illustrations for better differentiation/ comparison of the two. Please make sure that your illustrations are properly labelled. 3. Discuss the major functions of plant root and differentiate the taproot and fibrous root system. Afterwards, briefly explain the advantage/s and disadvantages of the two root systems in terms of resource (water and nutrients) acquisition. You may include some illustrations/ diagrams to support your discussion.