Lab 4: Cell Structures and the Gram Stain Purpose: The purpose of this lab is to familiarize the student with the use of a compound microscope and the Gram Stain test. Students will review a brief video and slides to introduce the compound microscope. Students will also view a video about the Gram Stain procedure and then answer questions related to it. Hypothesis If I look at the slides I will see where the cell wall is and what lies inside it and in the Gram Stain if I watch the video I will
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culture‚ I immediately made a streak plate and started the Gram Stain protocol1. In the first two slides‚ I made and stained‚ my results were ambiguous. Without putting the slide into the microscope‚ I noticed one was pink and the other purple. To resolve it‚ I discarded my slides and started again and was extremely careful in proceeding the Gram Stain. I concluded that my unknown A was gram-negative bacilli. Using the dichotomous key for gram-negative bacilli I started the protocol for the lactose
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Sigmund Freud’s‚ “Analysis of a Phobia in a Five-Year-Old Boy” Phil Feria Psychology 310A Grayson Schick‚ M.A. February 5‚ 2011 Abstract Little Hans was a young boy who was the subject of a study of castration anxiety and the Oedipus complex by Sigmund Freud. This important publication was the first of clinical material that derived directly from the treatment of a child and was presented by evidence as support of Freud’s theories of infantile sexuality. Another theme within Freud ’s
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rome and hans political administration and cultural challenges was very intersting. While rome and han created cultural and administrative difficulties that led to their downfall of there empires they still left a big mark on how to become a succersor empire. Rome and Han empires were very different on there administrative views. The romans chose there leader and all the people were taxed equally and more interregional interactive‚ they were kind of like a democracy‚ unlike han where everything was
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Liguang’s soldiers abided his orders because he was a genuine man who shared his rewards and cared for his soldiers. Xiongnu remained determined to maintain their culture‚ when a Han envoy remarked scornfully that the Xiongnu custom showed no respect for the aged‚ Zhonghang Yue replied twisting the Han values and accused Han of doing the same. Moreover‚ Zhonhang Yue also defended the trend of "incest" by stating that it was the only way to expand the Xiongnu
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Judson Cotterman III 4/6/2012 Section 185-35L Assignment #3 Gram-positive Pathogenic Cocci Discussion My original hypothesis for the individually collected throat culture on Blood Agar Plates‚ that it would show a mixture of alpha‚ beta‚ and gamma hemolysis‚ was based on the results of the class control samples of S. pneumonia‚ S. aureas and S. epidermis. In these controls S. pneumonia shows alpha and beta hemolysis while S. aureas and S. epidermis showed beta and gamma hemolysis respectively.
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Many people knew of the tomb underneath the Imperial capital of the Han province. It was the reason why such a prosperous city was born in such a desolate place. It was said that a divine treasure lies beyond the door to the tomb. Treasures beyond imagination‚ a crown to rule the world. No one knows where such rumors came about‚ but people put aside their curiosities and yearned for what lies beyond. The number of travelers‚ experts and even merchants who crowded the doors of the tomb grew to
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Born: September 30‚ 1882 Neustadt an-der-Haardt‚ Germany Died: September 24‚ 1945 Potsdam‚ Germany German experimental physicist Hans Geiger was a German nuclear physicist (a person who studies the inner core of the atom) best known for his invention of the Geiger counter‚ a device used for detecting and counting atomic particles‚ and for his work in nuclear physics with Ernest Rutherford (1871–1937). Early life Johannes Wilhelm Geiger was born in Neustadt an-der-Haardt (now Neustadt ander-Weinstrasse)
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Han and Roman Empires The Roman Empire existed between 31 B.C.E to 476 C.E. and the Han Dynasty occurred 202 B.C.E. to 220 C.E. They existed at same times but were on opposite ends of Eurasia. They both had regions that were ruled by either kings‚ viceroys or governors in the name of the emperor. They were both similar in slavery‚ government‚ and their downfall. They also had their differences in religion‚ military‚ and center of power. Both civilizations had very strong central governments
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Gram Staining Lab Introduction Gram staining is a very important technique used in biology labs all over the world. It is a technique used to differentiate types of bacteria using certain physical and chemical characteristics of their cell walls. Gram positive bacteria (which show up purple after the gram staining process) have a very thick layer of peptidoglycan where gram negative bacteria (which show up pink after the gram staining process) have a much thinner layer of peptidoglycan. One thing
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