Virchow‚ plasma membrane‚ cytoplasm‚ nucleus‚ diffusion‚ membrane potential‚ gene‚ exon‚ intron‚ cell differentiation‚ apoptosis II. Know these parts of the cell and their basic functions for matching or multiple choice questions: - Membrane proteins- types: integral and peripheral - Membrane junctions- types: tight junctions‚ desmosomes‚ gap junctions - Cell adhesion molecules- what do they do? - Membrane receptors- contact and chemical signaling - Cytoplasmic organelles- what does each
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Topic 1 – Introduction 1. Definitions: anatomy‚ physiology‚ palpation‚ auscultation‚ percussion‚ homeostasis‚ negative feedback loop‚ positive feedback loop‚ intracellular fluid‚ extracellular fluid‚ interstitial fluid‚ anatomical position‚ supine position‚ prone position‚ (frontal or coronal‚ transverse‚ sagittal‚ midsagittal‚ parasagittal‚ oblique sections or planes)‚ cell‚ tissue‚ organ‚ organ system‚ serous membranes (distinguish between visceral and parietal layers)‚ pericardium‚ pleura‚ peritoneum
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Ch. 51- FAP: sequence of behaviors that are usually carried through to completion. Habituation:loss of sensitivity to unimportant stimuli. Associative learning: associating one stimulus with another. Class. Conditioning: association of an irrelevant stimulus with a fixed physiological response. Cognition: animal’s ability to perceive‚ store‚ process‚ and use info. from its sensory receptors. Agonistic behavior: contest to determine which competitor gains access to a resource. Ch. 54- Nitrogen fixation:
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MACROMOLECULES OF LIFE DEFINITIONS INORGANIC CHEMISTRY A branch of chemistry which studies the structures‚ synthesis and reactions of compounds other than HYPERLINK http//searchbox.hyperdictionary.com/dictionary/hydrocarbons t _blank hydrocarbons and their derivatives ORGANIC CHEMISTRY A branch of chemistry that deals specifically with the structures‚ synthesis and reactions of carbon-containing compounds. CHEMICAL BONDS When two or more atoms are bonded together to form new and more complex aggregates
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apparatus Mitochondria Myofilaments 1-4 Which of the following is the primary purpose of mitochondria? Maintenance of cell shape Modification of proteins Production of energy Replication of cellular structures 1 1-5 Protein X is needed to help maintain two other proteins‚ both of which only exist in the cytoplasm of the cell. Where is protein X most likely synthesized? Free ribosome Nucleus Rough endoplasmic reticulum Smooth endoplasmic reticulum 1-6 A new cell line is developed
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strand. However‚ it can’t initiate the process itself and it is assisted by an enzyme called primase (Weaver‚ 2005). Primase is a short strand of RNA that provides a starting point for DNA synthesis. DNA polymerase III also can only synthesize a new DNA strand in 5’ to 3’ direction. Helicase Is a molecular motor protein that opens up or unzips a strand of DNA‚ creating the replication fork. This now allows the replication process to take place. DNA polymerase I Its function during replication is to
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There are different types of proteins. Fibrous proteins‚ for example‚ can be correlated with structure. Keratin is the main component of hair and nails that form protofibrils and consist of two pairs of alpha helices that are twisted together in a left-hand coil. The flexibility of keratin decreases as disulfide bond cross-links between protofibrils increases. Keratin is also found in skin and wool. Silk fibroin has the ability to form flexible‚ but the inextensive fibers are of great strength
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Diphtheria (Corynebacterium diphtheriae) Corynebacteria are Gram-positive‚ aerobic‚ nonmotile‚ rod-shaped bacteria related to the Actinomycetes. They do not form spores or branch as do the actinomycetes‚ but they have the characteristic of forming irregular shaped‚ club-shaped or V-shaped arrangements in normal growth. They undergo snapping movements just after cell division which brings them into characteristic arrangements resembling Chinese letters. The genus Corynebacterium consists of a diverse
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molecule. This is easier explained through an example. An example of a polymer‚ is a protein. The monomer used to make up is an amino acid. When two amino acids join together a dipeptide is formed‚ this is then made into a polypeptide chain by the joining of additional amino acids‚ it finally becomes a protein when more than one of these polypeptide chains link to one another in a condensation reaction. Proteins have a variety of functions‚ these functions are determined by their shapes. For example
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a) The nucleus of a cell b) A Mitochondria c) Part of the cell membrane d) A golgi body Question 4: The function of this organelle is to: a) Control the metabolism of the cell b) Modify proteins by adding a glycoprotein c) Synthesis proteins d) Package molecules into vesicles before secreting them from the cell. Question 5: Which one of the following statements best describes one difference between prokaryotic cells and eukaryotic cells? a)
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