describe what you see, why do you think this occurs and how?
TRANSCRIPT
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Describe what you see, why do you think this occurs and how?
![Page 2: Describe what you see, why do you think this occurs and how?](https://reader036.vdocuments.site/reader036/viewer/2022082908/5a4d1af47f8b9ab059980647/html5/thumbnails/2.jpg)
Describe what you see, why do you think this occurs and how?
![Page 3: Describe what you see, why do you think this occurs and how?](https://reader036.vdocuments.site/reader036/viewer/2022082908/5a4d1af47f8b9ab059980647/html5/thumbnails/3.jpg)
Describe what you see, why do you think this occurs and how?
![Page 4: Describe what you see, why do you think this occurs and how?](https://reader036.vdocuments.site/reader036/viewer/2022082908/5a4d1af47f8b9ab059980647/html5/thumbnails/4.jpg)
Or this.
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Why did this kidney grow?• compensatory hypertrophy - increase in size of
an organ or part of an organ or tissue, when called upon to do additional work or perform the work of destroyed tissue or of a paired organ.
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How did this? Become this!
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Answer…. Cell Reproduction
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Cell Reproduction
We make 2-trillion cells a day• Exact copies of each otherWhy cells reproduce:1. You grow, organ/ tissues grow, cells grow2. Some cells die or are damaged3. Keep you healthy
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Cell Maintainance
• Work of cells done by proteins• Cells too large to maintain -> they divide at
certain size• Helps repair wounds by cell division
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Chromosomes
• Cell Activity directed by DNA• - DNA organized by genes (segments of DNA)
which code for RNA and protein• -DNA is condensed/ organized and packaged
into ChromosomesProkaryotic Cell – Single Molecule of DNAEukarytoric Cell – condensed into Chromosomes-human has 46
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DNA and Proteins make up Chromatin
• 1st packaging -> histones (Protein)• Nucleosome – histone core and DNA around it• Chromsomes exist as coiled or uncoiled-condense (Chromatid) before they divide *(not tangled)Chromatid held together by Centromere.