Biology revision -keeping healthy Diet and Exercise What should a balanced diet include? Carbohydrates‚proteins‚fats‚vitamins‚minerals‚fibre‚water. Don’t get enough of these? Become malnourished. How much energy do we need? The energy you need depends on various things : 1. Gender- Males need more energy then females‚ Bigger size‚ have a bigger ratio of muscle to fat than women. 2. Age- Young people are still growing‚ they are reproducing and are more active (exercise) than old people
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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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Exam 1 Study Guide 1) What is biology? the scientific study of life 2) Which of the following is not a property of life? A) Populations of organisms are unable to change over time. B) Living things exhibit complex but ordered organization. C) Organisms respond to environmental stimuli. D) Organisms take in energy and use it to perform all of life’s activities. E) Organisms reproduce their own kind. 3) What are the two main processes that ecosystems depend upon? nutrient
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Biology Reviewer I. Definition of the cell -Cell is the basic unit/structure of life II. History of cell A. (1665) Robert Hooke- discovered the cell and he established the drawing of a cork cell B. (1674) Anton van Leeuwenhoek- observed red blood cell and myriad in a single cell organism in Pond water -discovered
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Andy Ton Ms. Morrissey AP Biology 9 January 2012 Fish Classification Lab |Fish # |Key # |Fish Name | |1 |1b>12b->13b->16a |Atlantic Salmon | |2 |1b->12b->13a->14b |Bullhead Catfish | |3 |1a->2b->6b->8b->10b |Blue Gill | |4 |1a->2a->3b->5b
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Toward a New Vision: Race‚ Class‚ and Gender as Categories of Analysis By: Patricia Hill Collins Summary- The author writes about oppression in society and how it is full of contradictions. She states that there are no pure victims or oppressors‚ but rather everyone experiences a different amount of penalty and privilege based on their race and social status. She believes that if women and people of colour could find that they have common grounds in regards to class‚ it will eliminate racism
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Introduction to Biology‚ Lesson 3 Essay Questions: Compare and contrast directional selection and disruptive selection‚ and provide an example of each. Both of these show the distribution of phenotypes. In directional selection‚ the distribution of phenotypes forms a "bell curve." Selection against one of the extreme phenotypes causes the distribution to move in one direction or the other. An example might be plants whose flower color is determined by incomplete dominance: white‚ pink‚ or red
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Biological Science‚ 4e (Freeman) Chapter 1 Biology and the Tree of Life 1) Which of the following statements about cells is true? A cell is _____. A) only found in multiples of two‚ because single cells cannot exist independently B) always between 200 and 500 micrometers in diameter C) characteristic of eukaryotic but not prokaryotic organisms D) characteristic of both prokaryotic and eukaryotic organisms Answer: D Reference: Section 1.4 Bloom’s Taxonomy: Level 1 Knowledge 2)
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Biology Notes 1.02 Sometimes a practice or belief claims to be science but does not follow the scientific method or cannot be proven reliable through experimentation. These practices are examples of pseudoscience‚ which literally means "fake science." Charms‚ astrology = stars‚ and phrenology= reading the bump on skull 1.03 * In the mid 1600s in the Netherlands‚ the scientist Antonie van Leeuwenhoek developed the first known microscope using a single magnifying lens. He was the first person
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Mr. Clark Honors Bio Period 3 10-19-13 Eukaryotic Cell vs. Prokaryotic Cell Eukaryotic cells do have a nucleus but Prokaryotic cells do not. Prokaryotic cells usually only have one chromosomes when Eukaryotic cell have more than one. Eukaryotic cells have mitochondria but Prokaryotic cells do not. Prokaryotic cells are usually unicellular and Eukaryotic cells are usually multicellular. Also Eukaryotic cells are larger than Prokaryotic cells. Both Eukaryotic and Prokaryotic cell have vacuoles
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