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Biology powerpoint

Transcript: Regulating the Cell Cycle (10.3) series of events that takes place in a cell leading to its division and duplication How is the cell cycle regulated?? The cell cycle is regulated by a protein called "cyclin" because it regulates the cell cycle. regulate the timing of the cell cycle in eukaryotic cells. Cyclins were discovered during a similar experiment to this one. Step 1: A sample of cytoplasm is removed from a cell in mitosis. Step 2:The sample is injected into a second cell in G2 of interphase. Step 3: As result, the second cell enters mitosis. Internal Regulators Proteins that respond to events inside the cell are called Internal Regulators Internal regulators allow the cell cycle to proceed only when certain processes have already happened inside the cell. External Regulators Proteins that respond to events outside the cell are called external regulators. External regulators direct cells to speed up or slow down the cell cycle. Uncontrolled Cell Growth Q:How are cancer cells different from other cells?? A:Cancer cells do not respond to the signals that regulate the growth of most cells. Cancer cells divide uncontrollably and form masses of cells called tumors that can damage the surrounding tissues. Cancer cells may break loose from tumors and spread throughout the body, disrupting normal activities and causing serious medical problems or even death. Questions! 1.The cell cycle is believed to be controlled by proteins called a.spindles B. cyclins C. regulators D. centrosomes Answer: B- cyclins 2. Proteins that respond to events inside the cell are called A. internal regulators. B. external regulators. C. cyclins. D. growth factors. Answer- A internal regulators Once a multicellular organism reaches adult size, the cells in its body A. stop dividing. B. grow and divide at different rates, depending on the type. C. have the same life span between cell divisions. D. undergo cell division randomly. Answer: B- grow and divide at different rates, depending on the type. Answer: D- all its chromosomes have been replicated One effect of an internal regulator is that a cell will not begin mitosis until A. it becomes too large. B. the cell’s growth is stimulated. C. it is in physical contact with other cells. D. all its chromosomes have been replicated. One factor common to almost all cancer cells isA. a lack of cyclin.B. a defect in gene p53.C. exposure to tobacco smoke.D. exposure to radiation. Answer: B- a defect in gene p53 Cyclin Cyclins Internal Regulators

biology powerpoint

Transcript: Disease Information People in Togo are referred to as Togolese and they mainly compromise of people tribes orienting from Africa.Together with another 34 African tribs they mack up 99% of the country's population the rest 1% is made up of Euopeons,Syrians and Lebanies All about the countries culture Togo has an integrated cultural pattern witch is a result that Togo is a hole compromise of amalgamation of about 37 different ethnic tribes. Through some of Togolese population they have adopted Christianity and other eastern religion but their is still a vast number of people who follow animalism Country Information Disease Information Our proposal for Togo to stop Malaria is to come up with medications for the infants. Find a medication that doesn't just stop the parasite in its place, but gets rid of it for good. Disease Information Introducing the problem Malaria block#4 Jessica Garcia and Josie Valdez Togo In order to prevent getting malaria hear are some things you need to do DO NOT let mosquito bite you especially at night Were repellant and long sleeved clothing if outdoors Sleep under bed nets(very effective if treated with insecticide) taking anti-Malaria medication prophilaxis(prevents from spreading) Remove standing water Spray insecticides on house walls Disease Information What is currently being done is they are informing people to place bed nets in their house, bug repellant, wear long sleeve clothing, and to remove standing water. The changes that need to be made is the need to come up with a medication that will get rid of it. What I'll do to educate people about the disease is place posters around their schools and most visited place and also tell teachers to talk about and ask what they need to do to prevent it. What causes malaria is a bite from a female anopheles mosquito that caries the microscopic parasite of malaria.How its transmitted,how its transmitted is quite breath taking when a anopheles mosquito bites an infected person it takes a small amount of blood infected with malaria parasites.Then the parasite grows and matures in the mosquitoes gut for a week or more then travels to the mosquito slavery glands and so when the mosquito next drinks blood the malaria parasite is injected. Proposal Inorder to treat malaria you have to use certain medications such as Chloroquine Mefloquine(Lariam) Atovaquone-proguanil(Malaron) Sulfadoxine-pyrimethamine(Fansidar) Quinine Doxycycline Artemisin derivatives(not licensed for use in the USA but can often be found over seas Work Cited How the world response to this disease is quite tragic, friends and family members are dying. The measures I would go to, to help the people of Togo are making sure they are vaccinated, not infected, and are quarantine from the others. Country Information Disease Crises Plan of action Malaria is most commonly found in Asia,Latin America and sub Saharan Africa and it is said that half the world is at risk of catching this disease The problem with Togo is that theirs family members and friends getting sick and passing away from a disease called malaria. Its hard to get rid of because the parasite is so small and travels in the red blood cells The politics of Togo takes place in a farm work of a presidential republic,where the president of Togo is both the head of state and head of government.Executive power is exorcized by the government and legislative power is vested in both the government and parliament. The economy of Togo is very depended on the agricultural produces of the country some of the agricultural products are cocoa,coffee,yams,corn cotton,cassava,rice,beans,millet,and sorghum but out of all these cocoa,coffee,and cotton are exported in a larger way Disease crises Plan of action Country Information -Statistics Over half a million of people die from malaria each year but mostly children under five.Ther are 216 million(estimated)cases of malaria each year,although a majority of malaria cases are in sub-Saharan Africa it is considered a public health problem in more then 190 countries in the world 45 are in Africa approximately 3.3 billion people live in areas where malaria is a constant treat.

PowerPoint Game Templates

Transcript: Example of a Jeopardy Template By: Laken Feeser and Rachel Chapman When creating without a template... Example of a Deal or No Deal Template PowerPoint Game Templates There are free templates for games such as jeopardy, wheel of fortune, and cash cab that can be downloaded online. However, some templates may cost more money depending on the complexity of the game. Classroom Games that Make Test Review and Memorization Fun! (n.d.). Retrieved February 17, 2017, from Fisher, S. (n.d.). Customize a PowerPoint Game for Your Class with These Free Templates. Retrieved February 17, 2017, from 1. Users will begin with a lot of slides all with the same basic graphic design. 2. The, decide and create a series of questions that are to be asked during the game. 3. By hyper linking certain answers to different slides, the game jumps from slide to slide while playing the game. 4. This kind of setup is normally seen as a simple quiz show game. Example of a Wheel of Fortune Template Games can be made in order to make a fun and easy way to learn. Popular game templates include: Family Feud Millionaire Jeopardy and other quiz shows. Quick video on template "Millionaire" PowerPoint Games Some games are easier to make compared to others If users are unsure whether or not downloading certain templates is safe, you can actually make your own game by just simply using PowerPoint. add logo here References Example of a Family Feud Template PowerPoint Games are a great way to introduce new concepts and ideas You can create a fun, competitive atmosphere with the use of different templates You can change and rearrange information to correlate with the topic or idea being discussed. Great with students, workers, family, etc. For example: With games like Jeopardy and Family Feud, players can pick practically any answers. The person who is running the game will have to have all of the answers in order to determine if players are correct or not. However, with a game like Who Wants to be a Millionaire, the players only have a choice between answers, A, B, C, or D. Therefore, when the player decides their answer, the person running the game clicks it, and the game will tell them whether they are right or wrong.

Biology Powerpoint

Transcript: What Is Being Done To Protect This Species? This includes: 1. Action to address the impacts of climate change. 2. Monitoring the migration patterns of marine turtles. 3. Improving and supporting trade controls. 4. Protecting nesting sites. 5.Reducing bycatch and promoting smart fishing. Habitat Green turtles are mostly herbivorous. They spend most of their time feeding on algae in the sea and the grass that grow in shallow waters. As juveniles, they eat plants and other organisms such as: jellyfish, crabs, sponges, snails, and worms. As adults, they are strictly herbivorous. The Green Sea Turtle (Chelonia Mydas) Bibliography They are called Green Turtles because of the color of their flesh. The WWF (World Wildlife Fund) is doing a lot to help protect this species. Description They can weigh up to 205 kilograms. They have limbs that are paddle-like, which are used to swim. Their heads seem small compared to their body size. Males are larger than females and the tail is longer, extending well beyond the shell. The carapace can be olive to brown, or sometimes black, depending on the geographic location of the species. WWF works to protect marine turtles throughout the world through specialist programmes and regional projects devoted to the conservation of marine turtles. Food Source By: Sarah-Anne Faulkner Why endangered? Green turtles primarily use three types of habitats: 1. Beaches for nesting. 2. Open ocean convergence zones. 3. Coastal areas for "benthic" feeding. Adult females migrate from foraging areas to mainland or island nesting beaches and may travel hundreds or thousands of kilometers each way. After emerging from the nest, hatchlings swim to offshore areas, where they are believed to live for several years The main threats which affect marine turtles are: 1. Habitat loss and degradation 2. Wildlife trade 3. Collection of eggs and meat for consumption 5. Incidental capture (by catch) 6. Climate change 7. Pollution Green turtles are particularly sought for their meat. Researchers estimate that each year poachers take 30,000 green turtles in Baja California alone.

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