During cell division the chromatin becomes condensed into discrete observable chromosomes. How do i do a cell city anology of chromatin and flagellum. Teachers lounge the teachers lounge is like the rough endoplasmic reticulum because it contains teachers. The cell membrane controls movement of items in and out of the cell through various pores the castle is like the cell s nucleus. Why arent two alleles present on a sister chromatid.
While modeling the acute response to various anticancer agents in drugsensitive human tumor cell lines, we consistently detected a small subpopulation of reversibly drugtolerant cells. While we talk about cell city worksheet answer key, scroll down to see several variation of images to inform you more. Illustrate the systems of a working cell in terms of the systems of the real world. Wolffe laboratory of molecular embryology national institute of child health and human development national institutes of health bethesda, maryland 20892271 0 the period in the cell cycle when the genome is replicated s phase is. I am doing a cell analogy to a city and would like. Believe it or not, the human body is actually made of about 5 trillion cells. An extreme example of the ordered folding and compaction that chromatin can undergo is seen during cell division, when the chromatin of each chromosome condenses and is divided between two daughter cells see below cell division and growth. Nov 18, 2015 the cell membrane is like the cabin in an airplane. Asked in biology, microbiology, genetics, cell biology cytology. Endoplasmic reticulum a cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another. We can use the analogy of a city to better understand the relationship between dna molecules, genes and chromosomes. The cell membrane is a thin, flexible envelope that surrounds the cell. Create a city cell analogy you can use a city or any other place amusement park, country, the mall.
The nucleus is like the mall manager because heshe has to control and ok everything that goes on in the mall before it happens. Chromatin is the state in which dna is packaged within the cell. This tight packing is important in making sure these long strings of dna can fit inside the cells nucleus. These cells demonstrate 100fold reduced drug sensitivity. This prevents the strands from becoming tangled and also plays important roles in reinforcing the dna during cell division, preventing dna damage, and regulating gene expression and dna replication. Three layers to the park generalized cell entry to the park plasma membrane.
The mayors office is typically housed within the city hall, just as dna is housed within the. What company or place does the cell membrane resemble in a cell city. Is made of a phospholipid bilayer which has the ability to open and close channels to allow things to enter and exit. The paint on the wall in the house is like the cell membrane on a cell because the membrane is a thin layer in a cell and the paint is a thin layer in the house. A condensed view of chromatin during tcell development article pdf available in the embo journal 302. Drawing where you label each part of the city and its corresponding cell part organelle on the front of your blank. A cell analogy for chromatin could be something like a library.
The nucleosome is the fundamental unit of chromatin and it is composed of an octamer of the four core histones h3, h4, h2a, h2b around which 147 base pairs of dna are wrapped. Number each cell part as numbered on the cell analogy worksheet. Cell analogy project rubric we are comparing an animal plant cell circle one to. This code may then be passed on from one cell generation to the next as an epigenetic memory of transcriptional programs, the epigenome 8. In our analogy of the cell as city, the nucleus is city hall. What company or place does the nucleus resemble in a cell city. The primary function of chromatin is to compress the dna into a compact unit that will be less voluminous and can fit within the nucleus. Students will be given the opportunity to ask questions about the test and compare their original scores with the posttest scores. A cell is like a shopping mall animal cell slideshare. If you continue browsing the site, you agree to the use of cookies on this website. What is the underlying reason behind recognizing the same molecular species by three different names viz. The cabin controls the movement and is a barrier between the cell and its environment. Analogy identify the part and explain why this part of your city is cell wall cell membrane nucleus cytoplasm. The castle is the control centre of the city, it regulates all.
Core histone acetylation 7 for instance helps to relax the higherorder chromatin structure and transiently allows dna accessibility. What is a analogy for a chromatin in a city answers. Adapted from anatomy i and physiology lecture manual by john erickson and. The cell city analogy for a nucleus would be a city hall. Feb 03, 2015 methods to examine the 3d structure and organization of chromatin in the nucleus such as chromatin conformation capture, termed 3c or hic, have established that different mammalian cell types contain topologically associated chromatin domains or tads, thought to be the results of celltype specific chromatin subcompartments. The function of chromatin is to efficiently package dna into a small volume to fit into the nucleus of a cell and protect the dna structure and sequence. Chromatin is a complex of dna and protein found in eukaryotic cells. The nucleus is a large, roundoval structure usually located near the center of the cell. They are tiny structures within a cell that carry out or do specific functions.
Pdf a condensed view of chromatin during tcell development. Teacher will also need to make copies of the cell city analogy worksheet for. How to take care of your mental health while working from home. The chromatin of cellville are similar to judges in a normal city. The nucleus controls all of the activities of the cell as city hall controls all the activities in of the city. When eukaryotic genes become transcriptionally active, the structure of the chromatin in their neighborhood changes to accommodate transcription factors and the passage of rna polymerase. The chromatin further loops and coils to form the tightly condensed chromosome structure. Cell analogy project slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. It is the control center for all the activities of the cell. This is because it serves at a single hub for human genes genetic information.
It is now clear that this process requires not only the transcription factors, but also cooperation with histones and with cofactors that help to remodel or displace nucleosomes. You will create an analogy comparison for a cell using a city or other item. The interior is called the nucleoplasm, which is full of chromatin a dnaprotein complex in a 1. Accumulating evidence implicates heterogeneity within cancer cell populations in the response to stressful exposures, including drug treatments. Feb 20, 2012 hank tells us about the city of eukaryopolis the animal cell that is responsible for all the cool things that happen in our bodies. How prezi does project status updates with a distributed workplace. Teacher uses cell city analogy or some other comparative structure to. The core histones are predominantly globular except for their nterminal tails, which are. The nucleolus is a dark region of chromatin, involved in making ribosomes. A chromatinmediated reversible drugtolerant state in. The cell membrane holds all of the organelles together and is the barrier between the outside and the inside of the cell. Chromatin is made up of dna and protein and coils to form chromosomes before cell division. Cell city analogy assignment learning objective i can explain the structure and function of cells directions.
Title is clear title is a little confusing title is unclear or unrelated to project labeled poster of. Yijun ruan is a senior group leader and the associate director of genomic. While i would go with the law analogy, you could also think of it as perhaps the mayor of the city. It allows the cell to change shape and controls what goes into and out of the cell a. This is because a city hall is the thing that controls the whole cell. There is a whole lot going on inside of a eukaryotic cell. Produce a product that is neat, clear and creative. Chromatin is a mass of genetic material composed of dna and proteins that condense to form chromosomes during eukaryotic cell division. Rough endoplasmic reticulum mitochondria vending machine the vending machines are like mitochondria because it is a source of energy. Generalized cell entry to the park plasma membrane. Students conduct elodea lab to observe how the cell membrane can be selectively. Cell city worksheet answer key johns hopkins university.
Brainstorm on the cell parts and what you can draw to represent each part. Its primary function is packaging long dna molecules into more compact, denser structures. You can use a city or any other place amusement park, country, the mall. How the cell cycle impacts chromatin architecture and. The chromatin are found inside the nucleus, which is comparable to city hall, and judges are also involved in decisions made in city hall. Eukaryopolis the city of animal cells video khan academy. In this case, it is what the organelle does for the cell. Each cell is the smallest unit of life and is so small a microscope is needed to see it. City limitspolice department control what goes in and out of the city b. City auditorclerk stores all the records of the city and passes them on as the city grows. Create analogies between cell organelles and parts of a city.
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