Prokaryotic & Eukaryotic Cells
Cells can be divided into two categories: prokaryotic and eukaryotic cells. Prokaryotic cells are significantly smaller than eukaryotic cells. This size difference is due to the many contents inside a eukaryotic cell that prokaryotic cells do not have. To begin with, prokaryotic cells are always going to be unicellular, while eukaryotic cells can also be unicellular but are many times multicellular (Murray & Baron, 2007). Prokaryotic cells do not have any membrane-bound organelles inside them, such as the nucleus, mitochondria, or lysosome as eukaryotic cells do. The DNA of eukaryotic cells is linear and is contained within the nucleus, while DNA in prokaryotic cells is circular and is contained within the nuclear body, a non-membrane surrounded structure (Murray & Baron, 2007). The number of ribosomes inside a prokaryotic cell is a lot less than those contained in a eukaryotic cell. Prokaryotic ribosomes are about 70s while eukaryotic ribosomes are larger, at 80s (Murray & Baron, 2007).
The differences between eukaryotic and prokaryotic continue as one goes more into detail with the specific structures. A eukaryotic cell has a cytoskeleton which is made up of microfilaments and microtubules, proteins that support the cell, transport essential proteins, and allow the cell to move; prokaryotic cells do not contain this feature at all (Murray & Baron, 2007). The mobility of a prokaryotic cell is possible because of their flagellum and not the tubulin that allows eukaryotic cells to move. Although eukaryotic cells also have flagella to ease movement, prokaryotic flagellum movement is rigid and rotates,...
Eukaryotic Cell vs. Prokaryotic Cell: There are two types of cells found, that originate from a common ancestor - The prokaryotes and eukaryotes. While Prokaryotes are organisms without a cell nucleus and other membrane-bound organelles and are mostly unicellular, but some exceptions are found. In contrast Eukaryotes have their cells have complex structures by internal membranes and a cytoskeleton. The principal membrane bound structure is the nucleus. All animals, plants, fungi,
Lesson Plan Amp; Reflection I didn't know what state you are in so was unable to do state/district standards! Lesson Plan Age/Grade Range; Developmental Level(s): 7-8/2nd Grade; Below grade level Anticipated Lesson Duration: 45 Minutes Lesson Foundations Pre-assessment (including cognitive and noncognitive measures): All students are reading below grade level (5-7 months) as measured by standardized assessments and teacher observation Curricular Focus, Theme, or Subject Area: Reading: Fluency, word recognition, and comprehension State/District Standards: Learning Objectives: Students will develop
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Cells are known as the basic units of life. One thing that plant cells and solar cells have in common is that they are very important to humans and living things on earth. One main difference between plant cells and solar cells is how each harnesses solar energy. Plants harness solar energy to use photosynthesis. Solar cells harness solar energy to convert it to electricity. One of the main duties of
The primary byproduct is lactic acid, but butyric acid and acetone also occur. The theoretical final result of oxygen deprivation is death, due to the buildup of byproducts from anaerobic respiration and the severe reduction in energy production. In athletics, death from oxygen deprivation is rare, as it usually causes unconsiousness first, which immidiately ceases the strenuous activity that significantly contributes to inadaquate availability of oxygen. Athletes engage in carbohydrate
SWOT Analysis of the U.S. Economy economy has historically been the strongest economy in the world. The economy boasts leadership in areas such as innovation, entrepreneurship, higher education, communications infrastructure, capital markets, and business management (Porter et al., 2016). These aspects make the U.S. economy an envy of many countries around the world. In addition, the economy has demonstrated quite impressive recovery since the devastating 2008/2009 recession. Despite these strengths,
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