DIVISION RHODOPHYTA (RED ALGAE) RHODOPYTA (RED ALGAE) Red algae have been the 1st eukaryotes formed by endosymbiosis involving photosynthetic prokaryotes. Red algae are mostly multicellular It exhibit some of the most complex life cycles It posses cellulose walls‚ chlorophyll a‚ some posses chlorophyll d (chloroplast is present but lacks grana) Contains phycoerythrin‚ phycocyanin and allophycocyanin as accessory pigments. flagella is absent in red algae as well as centrioles 5‚000 species(approximate
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Spartan Plastic LimitedCase StudyProblem Statement:Spartan Plastics Canada Limited is a subsidiary of Spartan International U.S.A. Spartan manufactured extruded plastic parts. Mr. David Angove was the vice-president of the company. It is a small company with only 50 employees‚ the company manufacturing process is complex‚ since the company had been improved the manufacturing process from the original to modified‚ there are still many problems appearing in the company. The main problem for the company
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The divisions of the nervous system are the Central Nervous System (CNS) and the Peripheral Nervous System (PNS). The CNS is made of two parts the brain and the spinal cord. The PNS is made up the Somatic nervous system and the automatic system. The somatic nervous contains the peripheral nerve fibers that deliver sensory information to the CNS and motor nerve fibers that go to the skeletal muscle. The central nervous system sends messages from the brain to the rest of the body. (Divisions of The
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Charging for Plastic Bags Nowadays‚ many billions of plastic bags have been using every year‚ and it seems to be increased more and more. According to Noland (2013)‚ in the UK‚ the number of plastic has risen up to 5.4% in 2010 to 2011. Another statistic illustrates that 90 percent of plastic bags do not be reused or recycled (Bobby‚ 2013). This shows that people do not care much about the effect of plastic bags. Therefore‚ the government should intervene to solve this problem: to introduce a charge
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Reduce Usage of plastic bag Plastic! Plastic! Plastic!.this materials is use by people all over the world.Plastic uses for many activity‚mainly for carry things.we can see plastic every day and every where in our life.at shop even at stall.Usage of plastic has advantage and disadvantage. The advantages of plastic are ‚ the misuse of plastic bags may be responsible for environmental contamination‚ they are much more eco-friendly than many assume‚ especially when looked at from their creation to
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There are quite a few variations between normal and tumor cell division. Normal cell division can be broken into four phases: G1‚ S‚ G2‚ and M. During the G1 phase‚ RNAs are produced‚ proteins are synthesized and through the P53 gene (also known as the “Guardian of the Genome”)‚ cells are checked for damage and those that are found are forced to go through apoptosis where the cells are forced to “commit suicide” to prevent replication. Through the S phase‚ the DNA is duplicated and in the G2 phase
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Since that time‚ salmon have been affected by a growing population and economy in the Pacific Northwest. At that time‚ Europeans had begun to occupy land along the Columbia River‚ imposing their culture on the natives of that land. By the 1800’s‚ disease brought by the European’s had cleared nearly all of the population‚ however‚ the Columbia River’s resources were being exploited to a great degree by the new settlers. Towards the turn into the 20th century‚ dams began to affect a process known as
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The Hapless Icon When hearing the words “Marie Antoinette”‚ the first thing that may come to one’s mind is “France’s last queen” or “The cause of the French Revolution”. However‚ this illustrious eighteenth-century queen‚ as described by Antonia Fraser‚ was much more than just another monarch. Her external as well as internal struggles proved to be iconic‚ and her personality is very misunderstood in modern times. This biography on Marie Antoinette’s journey proved to be very enlightening in terms
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Plastic Composition and Types of Plastic A plastic is made up principally of a binder together with plasticizers‚ fillers‚ pigments‚ and other additives. The binder gives a plastic its main characteristics and usually its name. Thus‚ polyvinyl chloride is both the name of a binder and the name of a plastic into which it is made. Binders may be natural materials‚ e.g.‚ cellulose derivatives‚ casein‚ or milk protein‚ but are more commonly synthetic resins. In either case‚ the binder materials consist
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Should teens get plastic surgery? Unlike adults who undergo plastic surgery to turn back the clock‚ some teenagers crave plastic surgery just to fit in. Many reports suggest that plastic surgery is now topping teen wish lists. This raises the question of whether teens are mature enough to be making a decision that poses risks and that will permanently change their appearance. The definition of plastic surgery is surgery to remodel‚ repair‚ or restore body parts‚ especially by the transfer of tissue
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