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Unit 4: Photosythesi

Biology study set for TVMSC

QuestionAnswer
What is the eqaution for photosythesis and what does each thing mean? 6H20 + 6C02+sunlight = C6 H12 O6 + 6O2. H20 is water. C02 is carbon dioxide. C6H12O6 is sucrose. O2 is oxygen.
How is photosynthesis able to fix cabon from the inorganic CO2 into the organic glucose molecule? In the Dark reaction part.
Why is photosythesis so critical to life on earth? It supplies oxygen for living things.
How is photosynthesis related to cellular respiration and how animals obtain energy? The eqaution for cellular repiration is the reverse of the photosynthesis eqaution.
How does the structure of the leaf corespond to photosynthesis? The chlorophyl is mostly in the upper portion of the leaf (palisade mesophyl) and is exposed to the most sun.
Where is the cuticle and how does it function? The cuticle is the outermost layer and acts as a protection including water loss.
Where is the palisade mesophyll and how does it function? The palisade mesophyll is under the epidermis and above the spongy mesopyll, this is where the chloroplast is held and where photosynthesis takes place.
Where is the chloroplast and how does it function? Mesophyll layers, mostky in palisade. Responsible for photosythesis.
Where is the vein and how does it function? In middle of leaf, carry water and nutrients to leaf.
Where is the spongy mesophyll and how does it function? Under palisade mesophyll, allows diffusion of water, carbon dioxide, and vapor through stomata when they are open.
Where is the epidermis and how does it function? Under cuticle, forms protective layer around leaf.
Where is the gaurd cell and how does it function? A specialized cell around stomata which opens and closes them.
Where is the stoma and how does it function? A pore surounded by gaurd cells in the epidermis, where CO2 enters and water and 02 exit
What is the process of photosythesis and what are the final products? Carbon Dioxide and water enter the leaf and then are turned into glucose and oxygen.
What is the structure and function of chloroplast and it's pigments in capturing sunlight? Cell made up of a membrane, stroma, and thykaloids. Chlorophyll A captures mostly red and violet, Clorophyll B captures blues and oranges. Cartenoids absorbs light blue to deep green.
What are the two basic stages of photosythesis and the products they produce? The light reactions and calvin cycle. Light reactions take place in the thykaloid and take light and H20 creating H+ + ATP + O2. Calvin Cycle/ dark reactions take place in the stroma where CO2, ATP, and H+ are converted into glucose.
What are the major advancements in plant body structure and function that made land plants incresingly large and complex?
What is the orginization of plants from cell to organism? Cells → Tissues → Organ → Organ System → Organisms
What is the sructure and function of dermal tissue, vascular tissue, and ground tissue? Dermal tissue:This is the outer layer of the plant Vascular tissue:This is the portion of the plant that moves water and nutrients Ground tissue:This is the non-meristematic portion of the plant, functions in photosynthesis, support and nutrient storage
What is the function and difference between Xylem and Phloem? Xylem: Moves water from the roots to the leaves Phloem: Moves sugars from the leaves to the roots
What is the evelutionary structure that created land plants from marine algae?
What is the structure of moss? They have a cuticle, lack true roots, stems and leaves, lack vascular tissue and internal support, spores.
What is the structure of ferns? True roots, stems, leaves, Has vascular tissue, Reproduces using spores
What is the structure of conifers? True roots, stem, leaves, Has vascular tissue, Reproduces with pollen and seeds in cones
What is the structure of flowering plants? True roots, stem, leaves, Has vascular tissue, Reproduces with pollen in flowers and seeds in fruit
Created by: Henry23
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