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Examine the Cell Cycle

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The amount of money spent on scientific research is related to the effect or impact that research has on society. For example, the amount of money spent on cancer is far more than the amount spent on acne. Some of the money spent on cancer is far more than the drugs that stop cancer cells from growing. Take for instance the cell cycle. If I were to create a cancer drug, at what stage of the cell cycle would the drug be most beneficial? Why? How is spending millions of dollars on cancer research to create drugs that target the cell cycle beneficial to society?

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What stage of the cell cycle would be most beneficial as a target for a cancer drug? Cancers must spread in order to be of danger. Cell division is critical for the growth and spread of cancer tissue. Therefore, it would be beneficial to target the cell division process. If we look at a typical cell cycle, we have G1, S, G2, and then mitosis. This cycle repeats as long as the cells in question are able to divide. Within mitosis, we have many stages which we could target. In fact, if we disrupted any stage of mitosis, we could potentially disrupt the spread of cancer. In this light, we could target prophase/pro-metaphase and the development of the ...

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New plants Pyrus Pyrifolia

Short on time, I need help constructing and structuring an organism profile for the chosen Plantae species "Pyrus pyrifolia."

1. Introduction/background information about the species - Include common and scientific names of the organism, the area you and this species live (country, state, city, etc.), the area's biome classification, etc.

2. Life cycle of the species- Describe the life cycle of the organism you have chosen. The life cycle of an organism refers to the series of changes in both development and growth from its beginnings as an independent life form up until maturity, when it is able to reproduce. Organisms like bacteria have relatively simple life cycles; however other organisms (e.g., plants) have very complex stages to their life cycle.

3. Structure and Function- Describe the structure and function of at least one major organ system of the species (e.g., digestive system, reproductive system). Choose one system and explain how this organism's system is structured anatomically and physiologically. Identify any species-specific characteristics or adaptations that are particularly unique to this organism and explain why.

4. Evolution of the organism - Evolution is simply heritable change over time. Sometimes changes from one generation to the next can give individuals an advantage. Specifically a trait that increases reproductive success or survival ability could be advantageous. Include a section in your profile paper about your organism's evolution. Here are possible ways to research the topic:

a. Conduct a review of scientific literature to understand what is known about your organism's past evolution. Search key words may include evolution, fossil, ancestor. Often technical reports from wildlife and conservation agencies have descriptions of an organism's evolution.

b. Summarize research on any adaptive traits. Search key words include adaptation, evolution, trait, and character.

c. Find an article on the family tree or phylogeny of your organism. Summarize the information describing related species. Search key words might include phylogeny, phylogenetic, and genetic analysis.

d. Use the Tree of Life Project to describe the phylogeny of your organism. Start at species, if possible, and trace back to the root. In addition to your summary, include any interesting patterns or unknown data.

5. Additional interests - The diversity of biological organisms is vast. Therefore, if your organism has a particularly interesting aspect about its biology that is not covered in the life cycle, structure and function, and evolution add a section to your paper on that aspect. For example, if your species has an interesting parental care strategy or mating system (i.e., protrandry/protogyny, polygymy, promiscuity, monogamy) you can include that in your paper.

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