CHAPTER 2 SEXUAL REPRODUCTION IN FLOWERING PLANTS 2.1 2.2 2.3 2.4 2.5 Flower – A Fascinating Organ of Angiosperms Pre-fertilisation : Structures and Events Double Fertilisation Post-fertilisation: Structures and Events Apomixis and Polyembryony Are we not lucky that plants reproduce sexually? The myriads of flowers that we enjoy gazing at‚ the scents and the perfumes that we swoon over‚ the rich colours that attract us‚ are all there as an aid to sexual reproduction. Flowers do not exist only
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ever wondered how the process of sexual reproduction begins in multi-cellular organisms such as ourselves? II. It all begins through a cell division process known as meiosis. III. I am currently a biology major at CSU-Pueblo looking to pursue a degree in wildlife biology. IV. During the process of meiosis‚ diploid cells split in half‚ forming four haploid cells‚ which each have a single set of chromosomes. These cells are called either gametes or sex cells. Female gametes are egg and male gametes
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Chapter 8: Cellular Reproduction – Cells from Cells 1. What are the three important roles of cell division? 2. Compare and contrast sexual and asexual reproduction. 3. Distinguish between the terms: DNA‚ gene‚ chromosome‚ replicated chromosome‚ sister chromatid and centromere. 4. What are the two phases of the cell cycle? What are the three stages of interphase? 5. Mitosis is the division of the ______‚ while cytokinesis is the division of the ______. 6. Describe the appearance
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Reproduction Prostaglandines: DON’T come from the prostate gland. Come from the seminal vesicles. Cause muscle contractions Found in ejaculate Prostate gland Produce enzymes Produces buffers that buffer urine in urethra and the acidic environment in the vagina Contains anticoagulant enzymes that keep the enzymes from coagulating Erectile tissue (aka spongy tissue) has sinuses in it that fill with blood‚ causing the penis to erect Some animals have a bone in their penis called a baculum (not humans)
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LEADERSHIP AND MANAGEMENT An important difference Five Types of Power 1. Legitimate Power • 2. Reward Power • 3. Ability to punish for noncompliance Referent Power • 5. Ability to approve raises Coercive Power • 4. They are the boss Ability to gain the respect of employees Expert Power • • Genuine knowledge to gain credibility Employees share the job expertise to evaluate their leader Management Management Power Legitimate Reward Coercive Accomplish Daily Tasks
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FOR CASE STUDY TEACHING IN SCIENCE An Unusual Case of Animal Reproduction by Joann B. Powell Department of Biological Sciences Clark Atlanta University‚ Atlanta‚ GA Elethia W. Tillman Department of Biology Spelman College‚ Atlanta‚ GA Part I – Andrea Smith’s Dilemma Andrea Smith was taking notes for her biology exam. Her professor has told her that the exam would cover‚ in part‚ the differences between sexual and asexual reproduction. As she reviewed her notes and prepared for today’s class‚ she
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Nutritional Food Label and Facts April Garcia SCI/241 August 24‚ 2013 Charlotte Williams‚ MAEd The 5/20 rule is where if you 5 % or less it’s not a good source of the nutrient if it has 20%or more then it is a good source of a nutrient. For an Example in my pantry I have a can of Chunk Light Tuna in water it has 10% DV of Sodium and 10% dv of Cholesterol. It’s not a good source of Sodium nor Cholesterol it’s just in the middle of it both. The Serving Size‚ Calories‚ Limit these nutrients
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Checkpoint History of State and Federal Prisons Krysta Nasce CJS/230 1/09/2013 Instructor: Richard Angelozzi What is the history of state and federal prison? Prisons‚ unlike jails‚ confine felons sentenced to longer then a year to serve their sentence within the facilities. They are operated by state governments but the Federal Bureau of Prisons also houses federal offenders in Federal penitentiaries. Since its establishment of prisons within the United
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Can sci fi change the future? How much does science fiction shape the future of the human race? Can exploring through sci fi the possible Utopian or dystopian futures influence how society rises to the challenge of coping with our increasing rate of technological development? Can you think of things that were predicted by sci fi‚ and then became reality? How much did this have to do with the technology development? What I often find fascinates me about the science fiction genre is that there
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The Work of Art In the Mechanical Age of Reproduction Walter Bejamin (Note: Footnote numbers appear thus: . The notes are at the end of the file.) "Our fine arts were developed‚ their types and uses were established‚ in times very different from the present‚ by men whose power of action upon things was insignificant in comparison with ours. But the amazing growth of our techniques‚ the adaptability and precision they have attained‚ the ideas and habits they are creating‚ make it a certainty that
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