employed in cheese making, and bacteria in yogurt making. Single- Cell Protein (SCP) Microorganisms are single cell organisms which can be cultured to rapidly produce foodstuffs rich in protein, minerals and vitamins. Microorganisms are grown in large fermenters where nutrient, pH and temperature are constantly monitored and controlled. The products are: 1. Cells 2. Substances produced by cells. 3. Substances the cells make by fermenting the nutrient solution. Once these products have
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The Only Home We Have “Home is the place where they have to let you in.” From the beginning of the life on earth, every living creature has felt the sense of belonging. Belonging to some place that makes us safe, comfortable and peaceful. It’s called home, in today’s language. Home is the place where we all born, raised and come back again everytime when we leave. It’s what we need to be able to continue living. Since the life has begun on the earth, nature is the home for all living creatures.
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Chapters 1-6 Chapter 1: Scientific Study of Life * The Cell is the basic Unit of life. * An Organism is a living individual and consists of one or more cells The levels of Biological Organization are (smallest to largest): * Atoms = The smallest chemical unit * Molecule = Group of joined atoms * Organelle = Membrane bounded structure that has a specific function within a cell * Tissue = Collection of specialized cells that function in coordination * Organ = Structure consisting
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1. Introduction: Enzymes such as amylases, cellulases, xylanases and proteases are widely used in the industry for the manufacture of pharmaceuticals, foods, beverages and confectioneries as well as in textile and leather processing, and wastewater treatment. The potential applications of amylases, cellulases, xylanases and proteases in biotechnology have already been reviewed. The majority of the enzymes used in the industry are of microbial origin because microbial enzymes are relatively more stable
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the muscles. -Correction of a genetic disease by CRISPR-CAS 9 mediated gene editing in mouse spermatogonial stem cells -went into the disease mouse. -cataract disease (Genetic disease) -they did with spermanigal cells (exists within the sperm cells?) mice like males can produce sperm throughout most of their lives. The stem cells have to constantly regenerate. They generate stem cells first. They have the mutation. They can go through manipulation and once they can go through the protein. Once they
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the eight items define life. Organisms and creatures are organized and coordinated structures that consist of one or more cells. Even the very simple, single-celled organisms and creatures are complex. Inside each cell atoms make up molecules, these atoms and molecules in turn make up organelles and other inclusions. In a multicellular organism or creature similar cells from tissues. These tissues in turn work together to form organs. Organs collaborate to form organ systems. Organisms respond
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Cells Biology- the study of life and living organisms Living- uses energy, maintains itself, capability to reproduce, and development/growth; also part of a population that evolve (each generation differs from the ones before and after) Cells- basic unit of life Prokaryotic- lacking nucleus Bacteria “archaea” Eukaryotic- nucleus Plants Animals Fungi Eukaryotic Nucleus- surrounded by a double membrane; contains DNA Linear chromosomes Cytoplasm contains everything outside
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There are two key processes of cell division in the human body. (A) Mitosis and this is where a one celled organism divides into two individuals one growth and the other replacement of body cells. (B) the Meiosis, this is the production of sex cells, which are located in the testes and the ovaries and that cell is called the Gametes. The gametes is the sex cell produced by the meiosis which contains a reproduction of the 23rd chromosome set. Within the gamete process, the production of spermatogenesis
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to areas of lower concentration until the molecules are evenly distributed through the area. Osmosis is the dispersion of water. Our cells are capable of absorbing nutrients because, the cell membrane is selectively permeable (some molecules can diffuse freely through the membrane while others cannot). In this experiment we used dialysis bag as a model of the cell membrane. Our hypothesis was that the glucose will diffuse out of the membrane into the beaker filled with iodine solution. To demonstrate
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Cells, Exchange and Transport Cell Structure State the resolution and magnification that can be achieved by a light microscope, a transmission electron microscope and a scanning electron microscope; | Light microscope | TEM | SEM | Resolution | 200nm | 0.1nm | 0.1nm | Magnification | X1500 | X250 000 | X100 000 | Explain the difference between magnification and resolution; Magnification: How much bigger the image is than
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