MALE REPRODUCTION MALE REPRODUCTIVE PHYSIOLOGY Testis - 2 compartments: interstitial tissue containing the Leydig cells that synthesize and secrete testosterone and the seminiferous tubules that produce spermatozoa and contain Sertoli cells Leydig cells and testosterone synthesis - Leydig cells mainly produce testosterone - T is a prohormone for synthesis of estradiol (vs. aromatase) and DHT (via. 5-alpha-reductase) - many effects of T are mediated via estradiol (esp in
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Latin America typically refers to the geographic areas on the American continent where languages derived from Latin are widely spoken such as: Portuguese in Brazil‚ and Spanish in most of Central America‚ South America‚ and parts of the Caribbean. The French-speaking parts of the Caribbean are sometimes included as well‚ but all mainland North American regions north of the Rio Grande are excluded in spite of French being widely spoken in Canada. Dependency is associated with the economic development
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oppinions. According to study’s Richard Petty and John Cacioppo‚ people are persuaded by two general path: central route and peripheral route _The"Central route" occurs when motivation and ability to scrutinize issue_relevant arguments are relatively high. _The "peripheral route" occurs automatically‚followed by changing attitude without argument scrutiny. _In " peripheral route"‚ listeners is persuaded by impressive skills of the speaker rather than by the arguments. It is less likely to bring
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Willene Joan D’ Costa NASE 318 Professor Kiszewski 12/11/14 Food Security in Ethiopia Ethiopia‚ located in Sub Saharan Africa‚ is one of the many countries in the world that is the most affected by food insecurity. Food security in Ethiopia has comparatively improved in recent years. However‚ due to factors such as political set up‚ severe poverty‚ climate‚ etc.‚ this problem is far from being solved. In recent years‚ Ethiopia’s economy has grown considerably as compared to other Sub-Saharan countries
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Overweight youth are at higher risk to develop Type II diabetes (Li‚ Ford‚ Zhao‚ & Mokdad‚ 2009). Type II diabetes increases the risk of long term complications such as renal disease‚ visual impairment‚ cardiovascular disease‚ amputation‚ neuropathy‚ up to and including death. Youth that are overweight are also at higher risk for musculoskeletal issues‚ sleep disorders‚ socio-economic problems due to families inability to obtain medications and treatment. Overweight youth are also at risk
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So now that we know what recombinant DNA is‚ we are going to look at its purposes. ******** Recombinant DNA is used to insert a gene for production of a protein of interest The production of heat and drought resistant crops can alleviate world hunger around the world. Production of clotting factors can treat bleeding disorders such a Haemophilia which casues bleeding into the joints and can be life threatening. Hepatitis B vaccines are made with the help of yeast cells It is used for the production
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Turning Everyday Fun into Learning I grew up in a household where video games were a privilege that I had to earn. When I had done all my homework and chores‚ I was allowed to play video games for an hour a day. As I grew older my parents thought I could make my own choices and did not limit the amount of time I spent playing video games. Many people today think that video games cause children to become couch potatoes‚ act dumb‚ and be rude. As a young child‚ my parents taught me that responsibilities
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Korgaonkar‚ P Li‚ H. & Bukovac‚ J. L. (1999). Cognitive impact of banner ad characteristics: An experimental study. Journalism and Mass Communication Quarterly‚ 76(2)‚ 341-353. Pacheco‚ E Petty‚ R. E.‚ Cacioppo‚ J. T. & Schumann‚ D. (1983). Central and peripheral routes to advertising processing: The moderating role of involvement. Journal of Consumer Research‚ 10‚135-146. Petty‚ R Petty‚ R. E.‚ & Cacioppo‚ J. T. (1996). Attitudes and persuasion: Classic and contemporary approaches. Boulder‚ Colo: Westview
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successfully in a race immediately the pistol shoots (Oleksy‚ 2010). A1 a) The structures and the afferent division of the peripheral nervous system that are involved in the activity of running are: skeletal muscles (Diagram 1)‚ sensory or afferent neurons‚ the Dendrites‚ the auditory nerve; the ear (4) the eyes and other sense organs found on the skin. The peripheral nervous systems (PNS) are made up of the nerves and ganglia found outside the brain and the spinal cord. Its main function
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------------------------------------------------- [edit]Background and nomenclature Computer systems generally consist of three main parts‚ the central processing unit (CPU) to process data‚ main memory to hold the data to be processed‚ and a variety of peripherals to communicate that data with the outside world. An early computer might use a hand-wired CPU of vacuum tubes‚ a magnetic drum for main memory‚ and a punch tape and printer for reading and writing data. In a modern system we might find a multi-core
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