Midterm 1 stuff (1‚ 25‚ 26‚ 27‚ 28) 2) What characterizes a prokaryotic cell? a. the lack of ribosomes b. the lack of a membrane-enclosed nucleus c. the presence of a nucleus with no DNA d. the presence of mitochondria e. having a cell wall without a cell membrane 3) Which of the following does NOT comprise a logical hierarchy of organization? a. family‚ order‚ class‚ phylum‚ kingdom b. molecules‚ cells‚ tissues‚ organ systems‚ populations c. organisms‚ populations‚ communities‚ biomes
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BIOLOGY ASSIGNMENT WOUND HEALING SPRAY GROUP : C4 Beta 1 GROUP’S MEMBERS : (1) Tan Jing Peng (1300433) (2) Koh Wei See (1300723) (3) Sangeeta A/P Rajindran (1200225) (4) Meera A/P Kalaiselvan (1300607) (5) Thiviya Gunalan (1300633) (6) Velaraasi A/P Mathiyalagan (1300608) DATE OF SUBMISSION : 24 January 2014 CONTENT NO. Title Page 1. Introduction 1.1 Definition of wound 1.2 Type and Causes of wound 1.3 Complications 1.4 Risk
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Cancer Epidemiology Cancer is not a single disease; it is a myriad or collection of diseases with many different manifestations as there are many different types of tissues and cell types Cancer is a disease of abnormal gene expression. Cells are constantly evolving and have the natural selection pressures to change Common biological properties of tumor cells: 1) Deregulated clonal cell growth- all cells in a tumor originated from one single cell that acquired mutations that made it deregulated
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BLUEPRINT OF LIFE: CHAPTER 2 GENETICS Gregor Mendel’s experiments helped advance our knowledge of the inheritance of characteristics 2.1 GREGOR MENDEL AND THE BIRTH OF GENETICS Gregor Mendel (1822-84) – ‘the father of genetics’ Born in Austria He was an Augustinian monk He worked as a teacher and as an investigator He observed the growth of peas He recorded the ratios of characteristics that appeared in the offspring His discovery stated he observed a pattern in the inheritance of characteristics
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low-power lens and the high-power lens. If you saw different forms of the shrimp‚ try to determine which is more mature and describe the differences. Answer is below Answer SHAPE MERGEFORMAT Your Score___ of 10 Graded Assignment SCI203A Biology Unit 1 Lesson 5 Laboratory Using a Microscope 2006 K12 Inc. All rights reserved. Page PAGE 1 of NUMPAGES 6 Copying or distributing without K12s written consent is prohibited. cEw--WeTFXeXncEvAJvbR6DQY/T Oi aqUquUtD1XY R1apV.VsvLmeY E09oen@8MBIO
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Biology – Preliminary – Evolution of Australian Biota 1. Evidence for the rearrangement of crustal plates and continental drift indicates that Australia was once part of an ancient super continent identify and describe evidence that supports the assertion that Australia was once part of a landmass called Gondwana‚ including: ▪ − matching continental margins ▪ − position of mid-ocean ridges ▪ − spreading zones between continental plates ▪ − fossils in common on Gondwanan continents
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Michelle Gordon‚ TJ (Group 4) Section 33 Yeast Cell Respiration 10/04/2010 Part B: Explanation of Results All cells carry out the process of cell respiration in order to meet their energy needs. It is advantageous for cells to have the ability to metabolize different substrates. In this experiment‚ we investigated each sugar’s (glucose‚ lactose‚ sucrose‚ fructose‚ and lactose/lactaid) cell respiration rate. When referring to my group’s graph and data‚ glucose ended up with the highest
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Title: Grass Growth Effect Jessica Suarez Option A: Observation: During the winter‚ you spread salt daily on your driveway to melt the snow. In the springtime‚ when the lawn begins to grow‚ you notice that there is no grass growing for about 3 inches from the driveway. Furthermore‚ the grass seems to be growing more slowly up to about 1 foot from the driveway. Question: Might grass growth be inhibited by salt? My hypothesis is that the grass growth in being inhibited by salt. A typical
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Essay Question 1 Explain how changes in habitat can lead to habitat fragmentation. How does this affect the population of animals in that area? Species lose their habitats when those habitats are destroyed outright‚ but habitat loss also occurs when habitats are altered through more subtle processes‚ including fragmentation and other forms of degradation. The sudden and complete elimination of habitat is uncommon at large scales; instead‚ what we usually witness is gradual‚ piecemeal degradation
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White blood cell that does not stain intensely with either alkaline or acidic dye. a. lymphocyte b. basophil c. neutrophil d. eosinophil Blood has all of the following functions except to: a. Transport carbon dioxide and waste from the cells for elimination from the body b. Maintain a constant environment for other living tissue c. Transport hormones d. Regulate respiration Hemochromatosis is characterized by: a. A general increase in red blood cells b. Multiple pinpoint hemorrhages
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