Lecture 2 Macromolecule components of cells I Chapter 5 Dr Ahmed Aldarmahi Assistant Professor College of Medicine – Jeddah Lecture Objectives • Distinguish between monosaccharides‚ disaccharides and polysaccharides. • Distinguish between saturated and unsaturated fats. • Describe phospholipids and steroids. Glossary • • • • • • • MonoDiPolyMacroPolymer Phospholipids Steroid Overview: The Molecules of Life • All living things are made up of four classes
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CHAPTER-15 Question 15.1: * Answer (b) Answer: 10 MHz For beyond-the-horizon communication‚ it is necessary for the signal waves to travel a large distance. 10 KHz signals cannot be radiated efficiently because of the antenna size. The high energy signal waves (1GHz − 1000 GHz) penetrate the ionosphere. 10 MHz frequencies get reflected easily from the ionosphere. Hence‚ signal waves of such frequencies are suitable for beyond-the-horizon communication. Question 15.2: * Answer
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transport? 5. What are the two types of neuroglia in PNS? 7. What do brain tumors arise from? 8. What do schawnn cells do in PNS? 9. What does the neuroglia or glial cells do? 10. What guides microtubules along axon? 11. What is anaxonic neuron? 12. What is anterograde transport? 13. What is astrocytes? 14. What is axonal transport or axoplasmic flow? 1. What are schwann cells? envelope nerve fibers in PNS. produce a myelin sheath multipolar‚ bipolar‚ unipolar and anaxonic oligodendrocytes
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cells mitochondria ….while respiration usually just means: the act of breathing A. The Krebs Cycle - What is it? The second stage of cellular respiration that occurs if oxygen is present What happens during the Krebs Cycle? (Key Concept): During Krebs Cycle‚ pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions. What is its other name? citric acid cycle Why? Because citric acid (citrate) is the first compound
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Vol 455 | 11 September 2008 | doi:10.1038/nature07271 ARTICLES Strigolactone inhibition of shoot branching ` Victoria Gomez-Roldan1‚ Soraya Fermas2‚ Philip B. Brewer3‚ Virginie Puech-Pages1‚ Elizabeth A. Dun3‚ Jean-Paul Pillot2‚ Fabien Letisse4‚ Radoslava Matusova5‚ Saida Danoun1‚ Jean-Charles Portais4‚ ´ Harro Bouwmeester5‚6‚ Guillaume Becard1‚ Christine A. Beveridge3‚7*‚ Catherine Rameau2* & Soizic F. Rochange1* A carotenoid-derived hormonal signal that inhibits shoot branching in plants
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ZINN‚ HOWARD CHAPTER 18 Questions and Answers 1) The Vietnamese complaints against the French both in the letters to President Truman and the 1945 Declaration of Independence‚ were based on the levying of unjust taxes‚ increasing the poverty of the rural populace‚ exploitation of mineral and forest resources‚ massive starvation‚ and imprisonment of those who would rebel or question their colonial power. In the long list of grievances against the French stated in the Vietnamese Declaration of
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Biology‚ 7e (Campbell) Chapter 24: The Origin of Species Chapter Questions 1) Which of the following applies to both anagenesis and cladogenesis? A) branching B) increased diversity C) speciation D) more species E) adaptive radiation Answer: C Topic: Concept 24.1 Skill: Comprehension 2) Which of the following statements about species‚ as defined by the biological species concept‚ is (are) correct? I. Biological species are defined by reproductive isolation. II. Biological
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1. What was Macon’s Bill No.2 and how did it lead to the War of 1812? Macon’s Bill No. 2 replaced the Non-Intercourse Act in 1810. This Bill was issued by Congress. It reopened American trade with the entire world. Also it promised American restoration of trade to France and/or England if either dropped their commercial restrictions. Macon’s Bill dangled what congress hoped was an attractive lure. Napoleon had his opportunity: in August of 1810‚ he announced that French commercial restrictions
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Homework #1 – Due date 09/25/14 – Answer Key Notice: Print your homework in a letter size sheet. Make sure to include your personal information. If your homework is more than two sheets long number and staple them together. Handwritten submissions are not accepted. 1. Consider a consumer with cuasi-linear preferences represented by the utility function: U c‚ g c 3 g where c is a private good and g is a pure public good. The price of the private good is $12 per unit and the price of the public
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Chapter Sixteen TROUBLES IN THIS WORLD "I have told you these things‚ so that in me you may have peace. In this world you will have trouble. But take heart! I have overcome the world." John 16:33 NIV Jesus spoke these words in conclusion to all the things He taught His disciples following the Last Supper. He knew how badly their lives would be shaken when He‚ their Messiah‚ would be unjustly arrested‚ humiliated‚ beaten‚ and nailed to a cross. Chaos would challenge everything the disciples
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