Name___________________________________ Score________________ Section___________________________________ Date_________________ EXERCISE NO. 1a MITOSIS OBJECTIVES The students should be able to: 1. identify the different steps involved in mitosis and meiosis; 2. describe the behavior of the chromosomes during each stage of cell division; 3. identify specific events in mitosis and meiosis that allow the inheritance of traits and generation of variation. MATERIALS
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Biology - Main Questions And Answers: Complete the table with a tick if the statement in the first column is true‚ for each process. Write a simple equation to show how ATP is synthesised from ADP: ADP + Pi ATP Give two ways in which the properties of ATP make it a suitable source of energy in biological processes: 1. Energy released in small/suitable amounts 2. Soluble 3. Involves a single/simple reaction Humans synthesise more than their body mass of ATP each day.
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(Page 64) 4. The scientists make the animals develop the desired proteins by‚ putting original human genes in to the animals causing them to express certain human therapeutic proteins in their milk. The scientists access the proteins by‚ giving the animals the genes‚ then they milk the animals and purify the proteins out of the milk‚ and lastly have the proteins made into different medical applications. (Page 66-67) 5. The proteins from the animals’ milk can be used by‚ being purified and
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Thalidomide Aim To appreciate that poor science can be harmful to people. Read the passages on thalidomide from the Internet and answer the questions that follow. 1 Thalidomide is a drug which was sold during the 1950s[->0] and 1960s[->1] as a sleeping aid and given to pregnant women to combat morning sickness[->2] and other symptoms. It was made in West Germany[->3] in 1953[->4]. It was available in around 50 countries‚ although not in the United States[->5]‚ under at least 40 different names
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that secure the entire complex of the thylakoid membrane. • Electron transport chain Answer: A group of proteins that transport electrons‚ releasing energy step-by-step. Electron transport chain connects both photosystems I and II for ATP synthesis. Answer: Arrangement of terms from smallest to largest: Reaction center‚ photosystem‚ electron transport chain‚ thylakoid membrane‚ chloroplast. 2) Explain why each of the following misconceptions about photosynthesis is false: CH5 WIO
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Name Period Date The Synthesis of Aspirin Background Pharmaceutical research labs perform chemical reactions between organic molecules that contain mostly carbon. Since the atoms in organic molecules tend to be nonmetals‚ then the bonds that hold them together are covalent bonds. Only a few elements on the periodic table are nonmetals: C‚ N‚ O‚ S‚ Cl‚ and F. This small number of elements can be bonded together in different quantities‚ bonding types (single‚ double‚ triple bonds)‚ and structural
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Protein synthesis is one of the most fundamental biological processes. To start off‚ a protein is made in a ribosome. There are many cellular mechanisms involved with protein synthesis. Before the process of protein synthesis can be described‚ a person must know what proteins are made out of. There are four basic levels of protein organization. The first is primary structure‚ followed by secondary structure‚ then tertiary structure‚ and the last level is quaternary structure. Once someone understands
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Jewellyn G. Diola; ladyjewellyndiola@yahoo.com Abstract Synthesis of 3‚4-dihydro-3-(p-methylphenyl)-1‚2-(2h)-benzoxazine involves the nucleophillic addition of the 1 °amine group upon the carbonyly group of the salicylaldehyde‚ the reduction of imine to amine and the addition of paraformaldehyde to proceed ring closure. The experiment prepared the product through Mannich reaction‚ a multicomponent condensation synthesis between ketone‚ aldehydes‚ enols and amines. Biosynthesis of benzoaxazines
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You must pull your support from two of these texts: Beard‚ White‚ Sanders‚ Slouka‚ Burroughs‚ Hurd‚ Morano. Identifying and selecting relevant supporting details is analysis‚ and integrating those details into your essay to support your thesis is synthesis. Your essay—with your original thesis and the details you’ve chosen from the two essays—is a new‚ unique whole. The integration of your thesis‚ your supporting details‚ and your use of language to explain how it all coheres represent the workings
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Marine biology is more than the scientific study of marine life. Marine biology is the study of marine organisms‚ their behaviors‚ and interactions with the environment. Marine biologists study oceanography and the associated fields of chemical‚ physical‚ and geological oceanography. Marine biologists are also able to specialize in large aquatic animals‚ all the way down to microscopic and minuscule organisms. Anything else in between‚ marine biologists are able to study. Marine biology is known
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