1.A) Two main forms of cells exist: eukaryotic cells and prokaryotic cells. Prokaryotic cells are smaller and do not have membrane-bound nucleus or membrane- bound organelles‚ but do have: plasma membrane‚ cytosol and cytoplasm‚ and ribosomes. Prokaryotes contain much less DNA than eukaryotes and have circular chromosomes. Eukaryotic cells have information processing organelles‚ such as the nucleus which houses most of the cell’s DNA‚ and ribosomes which use information from DNA to produce proteins
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little insulin. Type one (juvenile/insulin dependent) diabetes is when your body does not make any insulin. The world is still looking for a cure. Type one diabetes is a condition in which the patient has high blood glucose levels that are caused by an extreme lack of insulin. This is caused when the body’s immune system attacks the insulin- producing cells and destroys them. You need insulin to move the glucose‚ a sugar found in food‚ to the cells where they use it
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NAME:_______________________________ YOUR TAs NAME:___________________________ YOUR DISCUSSION #_____________ THE GEORGE WASHINGTON UNIVERSITY Department of Economics Economics 011 Section 14 Prof. Steve Suranovic Fall 2012 Problem Set #2 – Answers Answer all of the following questions from the book and those below. HW #2 is due in class on Wednesday Feb 22nd . A. Questions from Text and Readings R&T Chapter 2-5 (online)‚ Chapter 2.4 Review and Practice (in printed textbook); Concept Problems
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The fluid mosaic model of the cell membrane. What is the fluid mosaic model? The fluid mosaic model is a model conceived by S.J. Singer and Garth Nicolson in 1972 to describe the structural features of biological membranes. The membrane is described to be fluid because of its hydrophobic integral components such as lipids and membrane proteins that move laterally or sideways throughout the membrane. That means the membrane is not solid‚ but more like a ’fluid’. The membrane is depicted as mosaic
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generalized eukaryotic plant cell. Indicate the ways in which a nonphotosynthetic prokaryotic cell would differ in structure from this generalized eukaryotic plant cell. Plants are unique among the eukaryotes. The interiors of plant cells‚ like all eukaryotic cells‚ contain numerous organelles‚ which are membrane bounded structures that close off compartments within which multiple biochemical processes can proceed simultaneously and independently. The cell membrane of the plant cell has a phospholipid bilayer
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two people of the same sex were supposed to get married‚ there would have only been one sex created on this Earth. It is constitutionalized that a man and a woman are to get married. Some may bring religion into the reasoning behind this opinion. Religion does in fact play a big part in something as touchy as this. Here’s some facts and opinions on the topic of gay marriage. From what I’ve researched‚ mental health is at stake. People from all around the U.S. and media all have negative things
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The Controversy of Same Sex Marriage Same sex marriage has been a huge controversial issue since the 1970’s. It is considered to be a civil rights‚ political‚ social‚ moral and religious issue in the United States. Only 17 states over the past ten years have legalized same sex marriage while thirty-three of the fifty states have had it banned. In 1998‚ Hawaii and Alaska were the first states to ban same sex marriage but since then‚ Massachusetts was the first state to finally legalize gay marriage
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which he called cells’ this in itself unbeknownst to him‚ was the discovery of the fundamental unit of all living things. In 1838 a botanist called Schleiden derived the theory The basic unit of structure and function of all living organisms is the cell.’ Over 150 years later this can be regarded as one of the most familiar and important facts within the biological fields. Drawing of cork cells published by Robert Hooke 1665 The Cell itself and use
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Cell phones are the most essential devices used in the 21st century. People are using cell phones now more than ever. The first cellular device was invented in the 1940’s and they have been used till this day. The design is very unique‚ making it top dollar in the store. The development of the cellular device has helped better the people of the United States and throughout the world. Today cell phones are much more modified and abstract in the way their being used. Communication is now distributed
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Rachel Kamiya Mr. Salcido English 11 Block 3 March 5‚ 2012 Same Sex Schooling School: A six-letter word that evokes many different emotions in teens. Some love it because it’s their social club‚ while others dread it because when there‚ they feel uncomfortable‚ get yelled at‚ and are requested to do seemingly ridiculous assignments without reason. School is a game‚ it’s a contest‚ it’s not real life‚ but there are two sets of rules by which to play. On the one hand‚ good grades are the prize
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