Megan Collins November 15‚ 2012 Mrs.Axiak Period: 5 Hello there my name is Mrs. Bonnie Beaver‚ Im a tourist as you can see‚ but I will be taking you on a tour of Penncellvania Cellsburg. Penncellvania Cellsburg is a beautiful and amazing city just off the Mediterranean Sea. Also‚ everything in the city relates to cells‚ as we will learn on our tour today. Today the tour is about cells relating to the parts of a city. Enjoy!!! Over to the right is the entrance to the city limits‚ the
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Properties of life‚ Basic Chemical Terminology‚ Molecules and Compound of a cell Properties of life: All living things are made of cells and keep certain characteristics in common. All living things are divided into several characteristics: order‚ reproduction‚ growth and development‚ energy processing‚ respond to the environment‚ regulation and evolution. Cells are either made of prokaryotic or eukaryotic. Prokaryotic is simple‚ small and lacking membrane-enclosed membrane. Eukaryotic
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5 essential characteristics of all living cells: 1. Bounded by a lipid rich plasma membrane 2. Contain nucleic acid that encodes at least one complete copy of a genome a. Originally RNA… these days‚ exclusively DNA b. All cells replicate DNA by template directed polymerization into an intermediate form RNA 3. Capable of regulated metabolic activity a. Through macromolecular catalysis 4. Capable of protein synthesis a. The machinery of protein synthesis is conserved among all cells (MOSTLY RNA) b
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Bio 101 Review Sheet Test #3 (Chapters 7‚8‚9) Chapter 7 1. 3 effects of mutations a. Good‚ bad‚ silent i. What silent is in terms of amino acids 2. Point mutation 3. Frameshift mutation 4. Main causes of mutation of DNA 5. Which mutations are heritable 6. Definition of allele b. How process of mutation in replication leads to new alleles 7. Transgenic organism c. What it is d. How its created e. Definition of recombinant
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Biology Guide 1. How is the human body organized? A= The levels of organization in the body include cells‚ tissues‚ organs‚ and organ systems. 2. Define cell A= Basic unit of structure and function in living things. 3. Define Tissue A= Group of cells that perform a single function. 4. CHECK OUT TYPES OF TISSUE ON PG. 863 5. What’s the epithelial tissue? A= Tissue that lines the interior and exterior body surfaces. 6. Connective tissue? A= Tissue that provides support
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Biology A - Assignment 1: Cell Membranes and Temperature Background Theory Beetroot contains betalain pigments within it’s vacuole‚ which gives it it’s purple-red colour‚ it’s this pigment which leaks out as the beetroot is heated and the cells membrane begins to break down. The practicals aim is to show the effect of temperature on the cell membrane by observing the colour change of the water the beetroot was placed in. The cell membrane is important as it controls the substances enters and
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Animal cells vs. Plant cells Five Similarities Animal and plant cells have many of the same characteristic. Animal cells and plant cells are both eukaryotes. They both have cell nucleus which contain chromosomes or DNA‚ as well as cell membrane encompassing the cell to control the substances moving in and out of the cell. They both contain enzymes from liposome for breaking down larger molecules. Animal and plant cells both transport protein into and out of cells through endoplasmic reticulum
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ABSTRACT Beer’s Law is an empirical relationship that relates the absorption of light to the properties of the material through which the light is travelling. In turn‚ absorbance is proportional to concentration and the higher the concentration‚ the higher the absorbance. This experiment incorporated Beer’s Law and is focused on determining the stress that various alcohols have on biological membranes. Using five solutions of differing alcohol concentration for each of the three alcohols; methanol
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DEFINITIONS * Biology is a natural science concerned with the study of life and living organisms‚ including their structure‚ function‚ growth‚ evolution‚ distribution‚ and taxonomy. * The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing (except virus‚ which consists only from DNA/RNA covered by protein and lipids)‚ and is often called the building block of life. Organisms can be classified
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3.2 SEM analysis Fig. 3(a-f) shows the SEM micrographs of all the samples. It can be observed that all the particles are agglomerated in some irregular shapes‚ have no clear boundaries and are loosely packed. Moreover‚ the samples exhibit inhomogeneous grain size distribution [20]. Micrographs also confirm the decrease in grain size with substitution of Pr. The electrical and magnetic properties of ferrites are largely affected by the grain size. It is evident from micrographs that the average grain
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