Biology Exam Review Unit One – Biochemistry What is an isotope? Isotope - An isotope is all atoms of the same element that have the same number of protons‚ but they may have different numbers of neutrons in the nucleus. - This means that all atoms with the same atomic number can have different atomic masses. - Because they have the same number of protons and electrons‚ they behave exactly the same in chemical reactions. Radioisotope - The nuclei of some isotopes of an element are unstable
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D) The epiglottis closes. E) The rib cage expands. 3. A person with a tidal volume of 450 mL‚ a vital capacity of 4‚000 mL‚ and a residual volume of 1‚000 mL would have a potential total lung capacity of A) 1‚450 mL. D) 5‚000 mL. B) 4‚000 mL. E) 5‚450 mL. C) 4‚450 mL. 300-Organisms in water use countercurrent
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major impediments to performing well academically? Answer Selected Answer: Stress‚ anxiety‚ and sleep difficulties Correct Answer: Stress‚ anxiety‚ and sleep difficulties Question 2 1 out of 1 points According to the transtheoretical model‚ a person in the precontemplation stage Answer Selected Answer: has no current intention to change or believes there is no need to change. Correct Answer: has no current intention to change or believes
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Name:_______________________________________________ Viewing Guide: Guns‚ Germs‚ and Steel: Episode 3 Date:______________ Directions: Before viewing the film‚ read each question below so you know what information and ideas you should be looking for as you watch Episode 3. Record your answers to each question by providing as many facts‚ details‚ and examples as possible to answer each question. Be prepared to discuss your answers with the class. You will use some of the information collected to create a class
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unemployment‚ and economic growth.Points Earned: 0.4/0.4Correct Answer(s): C 2.Scarcity can best be defined as a situation in whichA) there are no buyers willing to purchase what sellers have produced.B) there are not enough goods to satisfy all of the buyers’ demand.C) the resources we use to produce goods and services are limited.D) there is more than enough money to satisfy consumers’ wants.Points Earned: 0.4/0.4Correct Answer(s): C 3.An arrangement that allows buyers and sellers to exchange things
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Hamburger Hill‚ 1969 The battle took place on Dong Ap Bia (Ap Bia Mountain) in the rugged‚ jungleshrouded mountains along the Laotian border of South Vietnam. Rising from the floor of the western A Shau Valley‚ Ap Bia Mountain is a looming‚ solitary massif‚ unconnected to the ridges of the surrounding Annamite range. It dominates the northern valley‚ towering some 937 meters above sea level. Snaking down from its highest peak are a series of ridges and fingers‚ one of the largest extending southeast
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This research report has been submitted for examination/supervision with my approval as the candidate’s university supervisor Signed………………………………..…….Date………………………………….. 1) Name : Mustafa Mohamed Ibrahim Ahmed Signed…………………………………Date………………………………….. 2) Name : prof: Ahmed Abdi Jama Declaration I‚ Mustafa Mohamed Ibrahim does hereby declare that “the impact of inflation on the living standard in Somaliland household consumption‚ Is entirely my own original work‚ except where I acknowledged
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Case 2 – Lakota Hills Challenges and advantages of developing a specialty food business: The specialty food business can be rewarding and exciting‚ but it can also be a real struggle. Specialty foods can range from salad dressing to chocolate sauce to fragrant breads. If you can make it‚ you can sell it--provided you know how. The specialty food business is more about marketing than cooking‚ getting your product on the shelves and then off again into customers’ shopping carts. You can look at
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B io Factsheet September 2000 Number 76 The Eukaryotic cell cycle and Mitosis This Factsheet covers the relevant AS syllabus content of the major examining boards. By studying this factsheet the candidate will gain a knowledge and understanding of: • the different phases of the eukaryotic cell cycle (a eukaryotic cell has membrane bound organelles) • the importances of mitosis • the process of mitosis The eukaryotic cell cycle Fig 2. Quantity of DNA in the cell during different
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Name________________ Block 4 ______ Pushing the Limits – Strength! For each section: List ONE question that could be answered by the film about each of the different sections and state the answer. Bones Q - How Many bones is your skeleton made up of ? _______________________________________________________________________ A - The Skeleton is made up of 206 bones _______________________________________________________________________ Muscles – Superhuman strength Q- How does
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