The purpose of this lab is to determine whether salt affects the movement of water in the cell. Independent variable is the factor that affects the value of variables dependent to it. In osmosis lab‚ the independent variables are the potato and onions. The dependent variable is the variable whose value is measured to determine the extent of the effect of another variable to it‚ as in an experiment. In osmosis lab‚ the dependent variable is the length of the potato. The controlled variables are
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Adenosine Triphosphate Adenosine triphosphate (ATP) is considered by biologists to be the energy currency of life. It is the high-energy molecule that stores the energy we need to do just about everything we do. It is present in the cytoplasm and nucleoplasm of every cell‚ and essentially all the physiological mechanisms that require energy for operation obtain it directly from the stored ATP. (Guyton) As food in the cells is gradually oxidized‚ the released energy is used to re-form the ATP so
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meiosis on cell specimens. It involves the modelling of the stages of meiosis and also the staining procedures to identify mitosis in onion root tip. There are two parts to the procedure of the experiment whereby the first is staining and observing mitosis in onion root tips and the second being observing and comparing mitosis between whitefish blastula and onion root tip. The results are that the five stages of mitosis have been observed and sketched‚ together with a comparison of telophase in plant
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Copy and paste paper into this box. N/a N/a N/a adoijc’eijlkeja aoidjvoaijdla;kdnlskvd oaiudoijfkajdlkjf aoivjoeiajlskndlkvnadsldkjgaiejoai3jlqi3j3oijdlkgj ojandoviaheoiauoeijuoskljflksjdf Copy and paste paper into this box. N/a N/a N/a adoijc’eijlkeja aoidjvoaijdla;kdnlskvd oaiudoijfkajdlkjf aoivjoeiajlskndlkvnadsldkjgaiejoai3jlqi3j3oijdlkgj ojandoviaheoiauoeijuoskljflksjdf Copy and paste paper into this box. N/a N/a N/a adoijc’eijlkeja aoidjvoaijdla;kdnlskvd oaiudoijfkajdlkjf aoivjoeiajlskndlkvnadsldkjgaiejoai3jlqi3j3oijdlkgj
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the body and its cells are continuously replaced as they are lost to normal wear and tear. The skin has between 12 to 20 square feet in area and accounts for 12% of body weight. It is composed of 3 layers the epidermis‚ the dermis‚ and the sub cutis. The thickness of the epidermis and the dermis varies over different parts of the body. It is thicker on the palms of our hands and feet‚ and thinner on our eyelids which have to be light or our eyes would always be closed. The dermis‚ or known
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cluster of chromatids and the spindle fibers disintegrate. Integument: The four layers of the epidermis from the deepest layer to the most superficial layer is stratum basale‚ stratum spinosum‚ stratus granulosum‚ stratum corneum. Even though the sebacious glands and sudoriferous glands have ducts that open onto the skin surface or a hair follicle‚ the actual glands are located in the dermis. The epidermis is composed of a keratinized stratified squamous epithelium. Just like other epithelia‚ it is
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Osmosis The purpose of this lab is to study how membranes of plant and animal cells react when exposed to different solutions. The first experiment involves purple onion skin and the second involves rat blood in various solutions. I needed to understand certain terms before preforming this lab to be able to efficiently explain what is happening to the cells. Diffusion is the tendency of a substance to move down its concentration gradient from a more concentrated to a less concentrated area.
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very unique as normally when you think of the word ‘Valentine’ you imagine‚ roses‚ chocolates‚ cards and kisses whereas in this poem the persona tells a story in which she gives her lover an onion on Valentines Day. The comparison of an onion and her love is unusual but very legit as different aspects of an onion like the way a person cries when one is cut is very similar to how you can shed tears when you are in love. ‘How do I love thee? Let me count the ways’ is the title of the poem by Elizabeth
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INTEGUMENTS Protozoa- delicate cell membrane (Amoeba) Coelenterata- epidermis‚ single layer of cells (e.g. corals and Hydra) Annelida- epidermis contains non-cellular cuticle (e.g. earthworm) Platyhelminthes- epidermis contain contains resistant cuticle (e.g. liver fluke and tape worm.) Arthropoda- chitin (e.g. shrimp‚ crabs‚ lobster and insects) Mollusca- shell (clams‚ mussels and oysters) VERTEBRATE INTEGUMENTS I. EPIDERMIS - outer‚ thinner but stratified layer of the skin - Ectodermal
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Ann Duffy says that she will give an onion to whom she loves. Why onion? It is because an onion represents both sides of love. Love has many layers like an onion. You may waste your time for many people who are not the right one for you and will face many problems and barriers that you and your love have to fight for love before you will find “true love.” Along this way‚ sometimes you will be sad and cry many times like an onion when you peel it because an onion can make your tears. In contrast‚ you
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