Bio 30 Cell Questions Question Sheet McDougal Littell Biology Textbook – Page 70 3.1 Cell Theory 1. Explain the three major principles of cell theory in your own words. 2. What characteristics are shared by most cells? 3. How did improvements in the microscope help scientists form the cell theory? 4. How do prokaryotic and eukaryotic cells differ? 5. Today‚ scientists can study human cell grown in petri dishes. Explain how this technique builds on the work of early
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Period: H Plants and Animal Cells Abstract: In this lab‚ you will find out how plant and animal cells are alike and how they are different. The onion elodea cells were both plants‚ so they had a cell wall. The cheek cells were animal cells‚ so they did not have a cell wall. Eukaryotic cells contain structures called organelles that carry out life processes. Eukaryotic cells can be classified by the types of organelles they contain. In plant and animal cells‚ similarities and differences exist because of varied life functions
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Q1: A) Lawn Care’s current strategic mission is to provide the highest-quality grass seed and fertilizer in the industry. Their competitive priorities are cost‚ quality‚ and flexibility. Currently‚ they charge a lower price for their products than competitors because they are not bundling service with products. However‚ they offer high-quality products that give them an advantage over competitors. Also‚ they strive to offer “the right products to the right customer at the right time‚” which shows
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The structure and function of carbohydrates A carbohydrate is an organic molecule containing only Carbon‚ Hydrogen and Oxygen with the general formula Cn(H20)n. They are made up of individual molecules called monomers which are joined together by condensation reactions to make a longer chain called a polymer. Carbohydrates are categorised in to three main groups; monosaccharides‚ disaccharides and polysaccharides. Monosaccharides are single sugars and are sweet tasting soluble substances such
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Select one of the following topics below. 2. Find articles related to the topic. 3. Write two pages‚ double spaced‚ excluding references. You must read the articles that you find and summarize the information they contain briefly in your own words. Extensive quotes from the article are discouraged. This assignment demonstrates the acceptable‚ ethical‚ and academic method for citing information from a public source. You may not use online encyclopedias as a source more than once. Use APA
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multicellular organisms‚ the cells that make up their respective organisms have different structures depending on their function. The process in which cells get specialized is known as differentiation. Unspecialized cells‚ known as stem cells‚ can be called upon to replace damaged or aging tissues‚ or create new tissue for growth. An example of specialization can be found with blood cells. Every blood cell originates from the bone marrow‚ starting as a unspecialized stem cell known as a multipotential
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I laboratory under Prof. Cheryl M. Talde‚ 2nd sem.‚ 2011-2012. 1 2 ABSTRACT The effect of molecular weight on the rate of diffusion was assessed using two tests: the glass tube test and the agar-water gel test. In the glass tube set-up‚ two cotton plugs soaked in two different substances (HCl and NH4OH) were inserted into the two ends of the glass tube. The substance with the lighter molecular weight value (NH 4OH‚ M = 35.0459 g/mole) diffused at a faster rate (dAve = 25.8cm)‚ resulting
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The Human Egg Cell. The human egg cell is also known as the ovum. With a spherical structure it is the largest cell in the human body measuring about 0.2mm in diameter. The function of the ovum is to reproduce‚ when fertilized by the sperm cell the ovum is capable of creating a new living organism. The size and shape of the ovum gives it space to store and create nutrients (see fig 3) (Boyle and Senior 2008) The ovum is bounded by the egg follicles of the ovaries and is produced by primitive germ
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Animal Cells Every once living thing is composed of cells. Cells are small organisms that control everything in living things. When an organism is made of one or more cells it is called a multi cellular organism. The first person to discover cells was Richard Hooke. The cells that he saw were the dead cells of cork. When he first saw them they reminded him of the cells that nearby monks lived in. there are many different parts of the cell but all serve a purpose. These many parts of the cells are
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Cell Phone Policy Implementation The cell phone policy I would create will not be broad for its usage. I will also put the responsibility into the users hand and will monitor it monthly. I would begin by including members of management‚ human resources‚ technology support‚ general staff and legal department. Discuss the current cell phone environment to determine the need of cell phones. That will create a list of eligible employees for either smartphones for data usage and applications or just
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