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Growth, development and maintenance of life (Protein Synthesis (RNA-Single…
Growth, development and maintenance of life
Mitosis
Mitosis is a type of cell division in which one cell (the mother) divides to produce two new cells (the daughters) that are genetically identical to itself.
Prophase
Early prophase starts to break down structures and build others up. Chromosomes start to condense and mitotic spindle fibers begin to form. The nucleolus also disappears, a sign that the cells about to break down. Late prophase consists of the mitotic spindle fibers clinging on to the chromosomes. The spindle fibers organize the chromosomes.
Metaphase
The spindle fibers have captured all the chromosomes and lined them up in the middle. The cell is now ready to divide. At this stage, two kinetochores of each chromosome should be attached to microtubules from opposite spindle poles. :
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Telophase
The cell is nearly finished dividing in this process, cytokinesis begins. Two new nuclei are formed and the chromosomes begin to condense back into a stringy form. The mitotic spindle also breaks down into building blocks.
Cells
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Stem Cells
Unspecialized and have the ability to develop into specialized cells for specific organs or repair damaged tissue.
Blood Cells
Blood cells carry many responsibilities. Red blood cells transport oxygen throughout the body and white blood cells fight infections..
Fat Cells
Fat cells are a major component of Adipose tissue. Adipocytes contain droplets of stored fat that can be used for energy.
Homeostasis
Homeostasis is the tendency to resist change in order to maintain a stable, relatively constant internal environment.
Negative Feedback
Negative feedback loops counteract changes of various properties from their target values, known as set points.
Positive Feedback
Positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
Protein Synthesis
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Codon- A sequence of three nucleotides that corresponds with a specific amino acid or start/stop signal during translation
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Translation- Process during which an mRNA molecule is used to assemble amino acids into polypeptide chains
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