B cells belong to a group of white blood cells known as lymphocytes‚ making them a vital part of the immune system The human body makes millions of different types of B cells each day that circulate in the blood and lymphatic system performing the role of immune surveillance. They do not produce antibodiesuntil they become fully activated. Each B cell has a unique receptor protein (referred to as the B cell receptor (BCR)) on its surface that will bind to one particular antigen. If the pathogens are
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types of muscle in the human body Your body has lots of different vital organs which have lots of functions and are interesting in their own way. I have chosen two which I was interested in‚ including the heart and stomach. Heart The heart is a very vital organ in the body. Its job is to pump oxygenated blood throughout the body and receive deoxygenated blood back in return. The location of the heart is in the middle of the chest between the lungs. The muscle tissue of the heart is called the cardiac
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should show only a couple of cells that take up most of the viewing field. The micoscope is designed to view the slide at different spots‚ so not all drawings will look like this one. Images were snipped from the virtual microscope’s flash animation. Scanning (4) | Low (10) | High (40) | 3. Go to google and type "cheek cells" into the search box. Click on "images" to see all the images google has found on the web showing cheek cells (there should be hundreds). What do all of these images have
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from day-to-day life. (Dirks‚ “Main Film Genres”) Body Paragraphs Romance Romantic films are based off of stories in which the central struggle is between two people who want to win or keep the love of one another. (Pearson‚ “Create your Screenplay”) Animated Animations are collections of illustrations that are photographed frame-by-frame then played in a quick session. They tend to have a creative and imaginative tendency. (Schilf‚ “Screen Writing Basics”)
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Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That’s because all cells are surrounded by a structure called the cell membrane. The cell is the very smallest unit of living matter. All living things including plants and animals are made up of cells. Cells are made of atoms‚ which are the smallest units of matter. There are many different kinds of cells. The two kinds you are most likely to be familiar with are animal and plant
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The cell cycle‚ or cell-division cycle‚ is the series of events that take place in a cell leading to its division and duplication that produces two daughter cells. In cells without a nucleus‚ the cell cycle occurs via a process termed binary fission. In cells with a nucleus‚ the cell cycle can be divided in three periods: interphase—during which the cell grows‚ accumulating nutrients needed for mitosis preparing it for cell division and duplicating its DNA—and the mitotic phase‚ during which the
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The divisions of the nervous system are the Central Nervous System (CNS) and the Peripheral Nervous System (PNS). The CNS is made of two parts the brain and the spinal cord. The PNS is made up the Somatic nervous system and the automatic system. The somatic nervous contains the peripheral nerve fibers that deliver sensory information to the CNS and motor nerve fibers that go to the skeletal muscle. The central nervous system sends messages from the brain to the rest of the body. (Divisions of The
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CHAPTER 12- THE CELL CYCLE I. Concept 12.1- Cell division results in genetically identical daughter cells A. Overview 1) The continuity of life is based on the reproduction of cells or cell division. 2) The cell division process is an integral part of the cell cycle‚ the life of a cell from the time it is first formed from a dividing parent cell until its own division into two cells. B. Cellular Organization of the Genetic Material 1) A cell’s endowment of DNA‚ its genetic
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to $8.20 due to increased medical benefits granted last January Using budget data‚ how many motors would have to be sold for Waltham Motors Division to break even? The number of motors to be sold for break even is calculated as shown below. Using budget data‚ what was the total expected cost per unit if all manufacturing & shipping overhead (both variable & fixed) was allocated to planned production? What was the actual per unit cost of production and shipping? Total Expected cost per
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Practical 1 Title: Tissue Processing Aim: To examine human cell and tissue under the microscope Introduction: Tissues from the body taken for analysis of diseases must be processed in the histology laboratory to produce microscopic slides that are viewed under the microscope. These tissues are usually fixed into paraffin. Microscopic analysis of cells and tissues requires the preparation of very thin‚ high quality sections mounted on glass slides and properly stained to demonstrate normal and abnormal
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