1) see figures 1-5 2) Proteins are polypeptide chains consisting of monomers called amino acids‚ which are made up of carbon‚ hydrogen‚ oxygen and nitrogen. Amino acids are made up of an amino group‚ an R group a carboxyl group and an alpha carbon‚ the different R groups of each individual amino acids determines which amino acid they will form. Amino acids bond through covalent peptide bonds this occurs via a condensation reaction‚ which is when one amino acids hydrogen & oxygen (carboxyl group)
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Anatomy Exam Chapters 5‚6‚8‚9 Heat-Loss Center (page 840) * behavioral changes- getting shade‚ going into water * vasodilation and shunting of blood to skin surface- inhibition of vasomotor center causes warm blood flow to the surface‚ skins turns red‚ skin temperature rises‚ radiational and convective losses increase * sweat production- sweat glands are stimulated to increase secretory output‚ perspiration occurs‚ evaporative heat losses accelerate * respiratory heat loss- respiratory
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SKIN AND THE INTEGUMENTARY SYSTEM CHAPTER 6 Your Name () OVERVIEW This chapter describes the skin and its appendages. It explains the structure and function of the layers of skin (dermis and epidermis) and the hair‚ nails‚ and sweat glands. This chapter also explains how the skin helps regulate body temperature and how it responds to environmental factors‚ such as sunlight and injury. Study of the integumentary system is essential to understanding how the body controls interaction between
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CELL BIOLOGY ESSAY -- PATHOGENESIS OF CERVICAL CANCER Introduction According to the Centre for Health Protection of the Department of Health (2011)‚ cervical cancer becomes the tenth commonest cancer in Hong Kong in 2008. Cervical cancer usually arises from sexual activity and human papillomavirus (HPV) (Bellentir‚ 2002). In this essay‚ Human papillomavirus would be further discussed. For example‚ the signal transport pathway of HPV 16 and HPV 18‚ which many scientists believe that they are closely
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The dermis is composed of the papillary layer and the ___________. | epidermis | | cutaneous plexus | | hypodermis | | -reticular layerThe reticular and papillary layers together compose the dermis. | What structure is responsible for the strength of attachment between the epidermis and dermis? | stratum corneum | | basement membrane | | -epidermal ridge | | stratum lucidumThe deeper the epidermal ridge‚ the stronger the attachment. | The type of cells that form the strata
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vasoconstrictive substances to aid in this process but their prime role is to form a stable clot sealing the damaged vessel. Under the influence of ADP (adenosine diphosphate) leaking from damaged tissues the platelets aggregate and adhere to the exposed collagen. They also secrete factors which interact with and stimulate the intrinsic clotting cascade through the production of thrombin‚ which in turn initiates the formation of fibrin from fibrinogen. The fibrin mesh strengthens the platelet aggregate into
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Bone Diseases Med 201 November 12‚ 2013 The skeletal system can suffer from a few diseases one of the most common ones is Osteoporosis another one is Osteogenesis imperfecta. Osteoporosis affects in a progressive way that deteriorates bone mass. Making the bones weaker lacking density and causing to have the deficiency on the bones protein intake this can bring about to the one who has it more vulnerable to skeletal fractures. Osteogenesis imperfecta disturbs
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bromelain which‚ because of its unique characteristics‚ keeps gelatin from thickening into the solid‚ commonly consumed food. That bromelain contains two enzymes that have the capability to digest proteins (proteases). Gelatin receives its structure from collagen (an important protein that provides structure within bromelain)‚ in which
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Observation of mitosis in garlic root tips Abstract The purpose of this experiment was to establish the different stages of mitosis which occur in the tip of a garlic root. The root tip which was used had already been pre-stained with an aceto-orecein stain. The stain made the root tips more visible so that under a light microscope it would be much easier to distinguish where the root tip was. While under the light microscope the objective was to be able to identify and distinguish each of the stages
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Estefany Alfaro May 18‚ 2012 Period 4 Have you ever looked in the mirror‚ and never seemed to see yourself as what you consider “beautiful”? A person is not always considered beautiful for their physical appearance‚ but for how they truly are from inside. The song “Natural Beauty” from Immortal Technique is a song that gives a message to all the people out there who feel insecure about themselves. It shows that you just need to be yourself and everything
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