composition of bone mostly consist of inorganic material and collagen fibers. The macroscopic structures of bone is Compact bone‚ Cancellous bone‚ Epiphysis‚ Diaphysis‚ Periosteum‚ Red bone marrow‚ yellow bone marrow‚ and the articular cartilage (Doitpoms.com). Collagen is a triple helix structured protein that is the most prominent protein in the skeletal system. Bones consist of two distinct types of bone tissue such as cancellous and cortical bone. Cancellous bone is also known as spongy bone and is located
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points) ☐Conclusion (Transition at the start of the conclusion‚ brief summary of main points‚ memorable closing statement) Duration: You will have 2-3 minutes to present. DO NOT exceed 3 minutes. Rough Draft Outline – Your Outline; The Basic Structure of
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that their scientific names are different. The second difference is that the African Wild Dog has a smaller body‚ fewer toes‚ and teeth structure in the jaw. 2. Traits: The shared traits between all of the dogs are that they all are true blood dogs. Although‚ what they don’t have in common is the structure of the body including the teeth structure and feet structure. 3. Environmental Niche: The environmental niche can compare to the other different species‚ because the other species are living in different
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Pg. 287 #1‚3‚4 1. Describe the structure of a nucleotide. A nucleotide is a sugar molecule that has 3 parts including a simple sugar‚ a phosphate group and a nitrogenous base. Nucleotides join together forming long chains‚ with the phosphate group of nucleotide bonding to the deoxyribose sugar of an adjacent nucleotide. 3. Explain why the structure of a DNA molecule is often described as a zipper. The structure of a DNA molecule is often described as a zipper because it is made of tow chains
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The basic structure of all the penicillins consists of a thiazolidine ring fused with a beta-lactam ring‚ creating a fundamental nucleus (also known as 6-amino penicillanic acid) crucial for their antibacterial activity. A wide variety of semisynthetic penicillins are produced by altering the composition of the side chains attached to this nucleus.The molecular formula of penicillin is C16H18N2O4S and weight of 334.39 g/mol‚ each base with a variable side chain‚ “R” that differentiates the penicillins
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7.1.1 Describe the structure of DNA‚ including the antiparallel strands‚ 3’-5’ linkages and hydrogen bonding between purines and pyrimidines. DNA is made up of two strands. At one end of each strand there is a phosphate group attached to the carbon atom number 5 of the deoxyribose (this indicates the 5’ terminal) and at the other end of each strand is a hydroxyl group attached to the carbon atom number 3 of the deoxyribose (this indicates the 3’ terminal). The strands run in opposite directions
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Eva: Hello doctor Marilyn Marilyn: Hello Eva. Eva: I have a few questions about my brother injuries. Marilyn: What do you have in mind to ask me. Eva: What is the structure of skin cells Marilyn: Your skin is the largest known organ in your body. This substance is waterproof and flexible it has three layers to it. They all work together to keep all your organs and tissues inside your body it also keeps infection‚ viruses and bacteria out of your inside of your body. In your skin cells there are
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SKELETAL SYSTEM: BONES AND JOINTS Functions of the Skeletal System ♦Skeletal System Without it‚ there would be no rigid framework to support the soft tissues of the body and no system of joints and levers to allow the body to move Consists of bones‚ connective tissues that includes cartilage‚ tendons and ligaments Term skeleton is derived from a Greek word meaning dried Consists of dynamic‚ living tissues that are able to grow‚ detect pain stimuli‚ adapt to stress‚ and undergo repair after
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Tissue and Bone Structure 1. classifications of bones by shape (1) long bone - long and thin - arm and forearm‚ thigh (femur) and legs‚ palms‚ soles‚ fingers‚ toes (2) flat bone - thin with parallel surfaces - skull‚ sternum‚ rib‚ scapulae (3) sutural bone (Wormian bones) - small‚ irregular bones - between flat bones of the skull (4) irregular bone - complex shapes with short‚ flat‚ notched‚ or ridged surfaces - spinal vertebrae‚ the bones of the pelvis‚ and several skull bones (5)
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[flat bones] & endochondral ossification [long bones].The essential between them is the presence or absence of cartilaginous phase.Intramembranous ossification occurs when mesenchymal precursor cells proliferate & subsequently differentiate directly into osteoblasts w/c mineralize an immature bone tissue called woven bone‚characterize by irregular bundles of randomly oriented collagen fibers & an abundance of partially calcified immature new bone called asteoid.At later stages this woven bone is progressively
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