Hanging-Drop and Wet-Mount Preparations; Simple and Gram Stains; and Pure Bacterial Colonies and Cultures

Exercise 1: Hanging-drop and wet-mount preparations 1. How does true motility differ from Brownian movement? 2. What morphological structure is responsible for bacterial motility? 3. Why is a wet preparation discarded in disinfectant solution or biohazard container? 4. What is the value of a hanging-drop preparation? 5. What is the value of a wet-mount preparation? […]

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DDT’s Effect on the Food Web

1. You need to make predictions on how each part of the food web would be affected by the spraying of DDT. These are to be predictions. It is highly doubtful you will get all of the predictions correct without doing research. Please make sure to address all parts of the food web pictured. General […]

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Hanging-drop and wet-mount preparations

Exercise 1: Hanging-drop and wet-mount preparations 1. How does true motility differ from Brownian movement? 2. What morphological structure is responsible for bacterial motility? 3. Why is a wet preparation discarded in disinfectant solution or biohazard container? 4. What is the value of a hanging-drop preparation? 5. What is the value of a wet-mount preparation? […]

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Adaptations in orchids

structural modifications to the orchid from the angiosperm Monocot family to leaves, roots, stems, or flowers that result in adaptive functions. How does this plant through the modifications help the slant to live and survive in its environment? In the tropical rainforest, organisms are constantly competing for resources. In order to survive a plant must […]

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Concept map on metabolism

Create a concept map using the below words. Provide a summary of your map, including how the words are related to each other and the overall concept. Hexokinase Glucose Glycolysis Krebs cycle Electron Transport Chain Pyruvic acid Acetyl – CoA Fermentation Lactic acid Ethanol Cytochrome oxidase ATP NADH Glyceraldehyde-3-phosphate Coenzyme-Q Carbon dioxide The first step […]

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Cellular Respiration Evidence

Respiration Procedures Procedure 1: 1. Mix ¼ tsp of yeast into 175 mL of warm (40-43 C) water in a 250 mL beaker. Stir until dissolved. 2. Label the big and small test tubes 1-5. 3. In a 250 mL beaker, mix the 1 gram packet of Equal with 100 mL of water. In another […]

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Dichotomous Key

Animals are placed in taxonomic classifications based on differences and similarities of their traits. If you know what critical traits to look for, it is possible to separate any animal into a taxonomic category. The common categories are Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species (Specific Epithet.) Example: Human Classification Domain: Eukarya Kingdom: […]

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Adaptations in orchids

Structural modifications to the orchid from the angiosperm Monocot family to leaves, roots, stems, or flowers that result in adaptive functions. How does this plant through the modifications help the slant to live and survive in its environment? In the tropical rainforest, organisms are constantly competing for resources. In order to survive a plant must […]

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Scientific Method in Real Life

Part I: The Scientific Method Apply the Scientific Method to two real life scenarios: Scenario 1: You arrive home late at night. You walk up to the front door, unlock it, and reach in to turn on the light switch located just inside the front door. The light does not come on! Now what? Scenario […]

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Cell Structure And Function

This contains 100% correct material for UMUC Biology 103 LAB03. However, this is an Answer Key, which means, you should put it in your own words. Here is a sample for the Pre lab questions answered: Pre-Lab Questions 1. Identify the major similarities and differences between prokaryotic and eukaryotic cells. (2 pts) Prokaryotes tend to […]

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