contrast xylem tissue and phloem tissue‚ including their respective structures and functions. The stems and roots of plants contain two separate transport systems; xylem vessels and phloem tubes‚ of which neither transport oxygen as it is transported to cells by diffusion. The network of xylem vessels transports water and mineral ions from the roots to all other parts of the plant whereas phloem tubes transport food made in the leaves to all other parts of the plant. In the stems the tissue is collectively
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How to Carry Out Aseptic Techniques in a Batch Culture and in the Laboratory | | | | | | | | | |The batch vessel should be sterilised beforehand using steam. The nutrient medium that is added to the vessel |
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Chapter 4 Study Guide Bio 169 • Individual body cells are specialized -Each type performs specific functions that help maintain homeostasis • Tissues are groups of cells that are similar in structure and perform a common function • Histology – study of tissues PRIMARY TISSUE TYPES: 1) Epithelial Tissue (or epithelium) is a sheet of cells that covers a body surface or lines a body cavity Forms boundaries Occurs in the body as covering and lining epithelium and glandular epithelium
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many theories as to how the pyramids were built. In the current century‚ many opinions have surfaced that have changed the questioning of how these magnificent creations were built. During scientific research in the recent decades‚ evidence has arrived that challenges alternate theories of how the pyramids were constructed. The results include the discovery of new chemical compounds found in the stone of the temples that lead to an entirely different approach of how the pyramids were built. The theory
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PLANT TISSUES (pp 261-268) HOW ARE CELLS ORGANIZED IN PLANTS? I. MERISTEMATIC TISSUES A. APICAL MERISTEMS Primary Growth 1. Initials a. Occur near tips of roots and shoots b. Cells have thin walls‚ prominent nuclei‚ and small vacuoles c. Functions 1) Establish patterns of growth. • Leaf pattern. 2) Produce new‚ genetically healthy cells 3) Produce derivatives which in turn account for primary growth i.e. elongation. 2. Derivatives a. Protoderm - becomes
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Renal Calculi Kristan Michele Heil Our Lady of the Lake College Renal Calculi Renal calculi‚ commonly called kidney stones‚ are one of the most common‚ painful disorders of the urinary system. The condition of having kidney stones is referred to as nephrolithiasis. These stones are usually formed inside of the kidney and can be composed of various elements collected in the human body. Some stones may pass right through the urinary system never causing a problem‚ while others may cause
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EXERCISE 9: RENAL SYSTEM PHYSIOLOGYHere is 9 got 95% Still need help on final 132 | ACTIVITY 1: The Effect of Arteriole Radius on Glomerular Filtration Answers 1. According to your lab manual‚ in humans the glomerular filtration rate (GFR) ranges from _____ to _____ ml/minute. 80 140 2. When the radii of both the afferent arteriole and efferent arteriole were set at 0.45mm‚ the GFR was approximately ______ ml/minute. a. 40 b. 60 c. 80 d. 120 C. 3. True or
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The Renal Diet 1.The kidneys: * The kidneys are a pair of bean-shaped organs that lie on either side of the spine in the lower middle of the back. Each kidney weighs about ¼ pound. * It is important to keep the kidneys in good working order to allow them to work at an optimum level. * The main function of the kidneys is to remove waste products and excess water from the blood. The kidneys process about 200 l’s of blood every day and produce about 2 l’s of urine. * The kidneys
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When we’re sick we all use one thing a lot; facial tissues. We use them without even thinking about how they’re made or what was needed to make them. We just blow our noses and throw them away. You can tell how Eco foe your tissue just by what kind it is. Is it a two ply or a three ply? Is there special things in it like Vicks or not? The short life of a facial tissue starts out as a tree. Facial tissues are made from a mix of pine‚ spruce‚ fir‚ hemlock‚ larch‚ aspen and birch trees.
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Great Pyramids‚ specifically‚ The Great Pyramid at Giza. This Great Pyramid is considered to be one of the Seven Wonders of the World. This Great Pyramid contains chambers specifically for the King and Queen and is believed to have taken 20 years to have been built. (Wikipedia) The Egyptians employed many experienced men‚ up to 100‚000. These men were worked hard and work for 10 days to receive one day off. (Smith) What I believe is most amazing in the creation of this Great Pyramid is Egyptians
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