E3 Title Osmosis in Living Tissue Catalytic Activity of Enzyme Action of Electricity on Substances Encountered in Daily Life Do All Conductors Obey Ohm’s Law? Composting Bioreactor Sunglasses’ Protection from Ultraviolet (UV) Radiation Extracting DNA from Fruits How Cross-linking Changes the Properties of a Polymer Integrated Science Sample SBA Task Practical Related Task – C1 Osmosis in Living Tissue Student Handout (Version 1) Purpose To determine the water potential of potato tissue. Background
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Lab manual/results/online article condensed notes Lab 1 · DNA is made up of deoxyribonucelotides · Components of DNA/RNA includes a 5 carbon sugar‚ a phosphate group‚ and a nitrogenous base · the negative charge associated with DNA/RNA is due to the phosphate groups · DNA is linked together by phosphodiester bonds (they are covalent bonds) · the energy required to create these bonds is from the cleavage of pyrophosphate‚ refer to figure 1.3 on page 4 and below. ·
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breeding individuals with similar characteristics B.DNA Technology DNA finger printing (gel electrophoresis) analysis of DNA sections that vary between individuals procedure i.restriction enzymes cut DNA into fragments at specific base pair sequences electrical current moves through DNA through gel Fragments separate by size: shortened DNA move farther than long. Every one banding pattern is unique Uses: forensics Comparing DNA sample fro crime scene it suspects victim paternity test diagnose
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Cloning plants Many plants clone themselves naturally to reproduce. They send a small shoot-like structure called a runner‚ along the soil. The runner grows into a new separate plant‚ which is genetically identical to the original plant - a clone. People can clone plants by simply taking a cutting of the plant such as a twig or stem and planting it. This is called vegetative propagation. Horticulturists use cloning to grow plants with specific qualities‚ like height‚ flower colour and quality
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and are located in the cytoplasm‚ Rough ER‚ and Mitochondria. Golgi Apparatus: Dionysus‚ or as the campers call him‚ “Mr. D‚” is in charge of the strawberry service the camp runs and the weapons that the campers make. He processes the swords and makes sure they are fit to send outside of the camp‚ and controls the exporting of the strawberries‚ just as the Golgi Apparatus processes lipids and proteins before they exit the cell. Chloroplasts: The Kitchen/Dining pavilion is where the food is
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should GM foods be implicated in the rise in allergies? GM critics believe that the inherent cross-species nature of biotechnology may be responsible. GM foods are created by splicing genes from the DNA of one organism into the DNA of another possibly unrelated organism. In experiments‚ strawberries have been spliced with fish genes‚ rice and tobacco with human genes and even lettuce with rat genes. Since genes are the instruction codes for proteins‚ and proteins are implicated in allergic reactions
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1. Describe briefly how genetic engineering has improved agricultural crops. It has allowed humans to create better crops‚ or crops with more desirable characteristics (for example‚ frost resistant strawberries‚ seedless watermelons and oranges‚ combinations of fruits like tangelos and It increases yield and makes crops more resistant to parasites‚ harsh weather‚ and disease. 2. Explain how biotechnology research has affected modern life. Tools such as genetic engineering‚ nanotechnology‚ and
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Discovery of New Poison Dart Frog Biologists have discovered a new species of dart frog in the headwaters of the Rio Cano in Panama. This newly found frog has been named Andinobates geminisae after Geminis Vargas. Geminis Vargas is the wife of Marco Ponce who supported him toward the discovery of the new dart frog species. The new dart frog is very small about 12.7 millimeters in length and it is about the same size of a fingernail. Although the new dart frog is very small in size; it contains
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America from Europe in the 1600s. They produce honey and pollinate crops. In recent years honeybee populations across the continent have declined by as much as 70 percent. Their loss could effect fruits and vegetables such as apples‚ broccoli‚ strawberries‚ nuts‚ asparagus‚ blueberries and cucumbers. Honeybees pollinate $14 billion worth of seeds and crops in the US every year. Therefore‚ if honeybees disappear‚ they could take most of our insect pollinated plants with them‚ potentially reducing
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ganisms‚ these can be manipulated in many ways Escherichia Coli (E.Coli) is a bacterium that is commonly used by biotechnology companies for the development of products multicellular composed of more than one cell ● frost resistant strawberry plants or endangered animals any fields of biotechnology require a thorough understanding of cellular composition ● Biochemistry (chemistry of all living things) cytology (cell biology) anatomy (structure) and physiology (function) What
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