"Biology lab 6 diffusion" Essays and Research Papers

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    4. prostate gland -- the largest of several glands which add lubricating and other fluids to the sperm -- this combination of sperm and fluids is called semen 5. urethra -- tube through the penis carrying sperm to the outside of the body 6. penis -- adaptation for internal fertilization of the female Female System The structure and function of the human female reproductive system‚ is very similar to that of many other mammals. It is designed to produce female gametes or eggs‚ allow

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    1. Outline the process of DNA profiling (genetic fingerprinting)‚ including ways in which it can be used. 6 marks • sample of DNA obtained / leucocytes / from mouthwash / hair / other named source • satellite DNA / repetitive sequences used for profiling • amplification of DNA by polymerase chain reaction / PCR • cutting DNA into fragments using restriction enzymes • separation of fragments of DNA (by electrophoresis) • separation according to the length of the fragments • pattern of

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    conditions in the surrounding environment remain constant‚ THEN the sequence of amino acids will determine how components of the amino acid backbones form hydrogen bonds‚ and how the side chains/R-groups interact chemically. THUS‚ the statement is true.6.Which kind (or kinds) of chemical interactions produces the tertiary structure of a polypeptide? A) Hydrogen bonds among the side chains (R-groups) of amino acids B) Hydrophobic interactions among the side chains (R-groups) of amino acids C) Ionic

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    biol Unit 5 Individual Project Name: Bradlee Melton Date: 4/27/2013 Part 1. There are 9 animals in nine different Phyla. Be sure to look at every page. | |Animal |Phylum |Dichotomous Key (steps) |Classification | |1 |[pic][pic] |Cnidarian |1b‚ 2a. 3b |Class

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    The Rate of Diffusion in Different Temperatures Purpose: To see if the temperature of a solution will change the rate blue diffuses in it. This will be tested by timing how long it takes dye to diffuse in warm water‚ cold water‚ and room temperature water. Hypothesis: I think that the dye will diffuse at a faster rate in the warm water than in the cold water. I believe that the room temperature water will have the dye diffuse faster than the cold water but slower than the warm water. Variable:

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       mammal A warm-blooded animal with hair or fur; female mammals produce milk to feed their young.    fish Vertebrates which live in water‚ usually have scales and breathe through gills.    amphibian A vertebrate with moist skin and no scales that lives part of its life in water and part on land.    bird Egg-laying vertebrates with feathers and forelimbs modified as wings.    reptile A vertebrate that lays eggs and has lungs and scaly skin.    invertebrate

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    immunity. Their main function in the body is the production of antibodies that help to fight bacteria and other disease-carrying agents. 4. The cardiovascular system Transports wastes and hormones 5. Anemia Tissues do not get enough oxygen 6. Heart attack A heart attack occurs when blood flow to a part of your heart is blocked for a long enough time that part of the heart muscle is damaged or dies. The medical term for this is myocardial infarction. 7. Leukemia Is cancer of the

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    acylation reaction is one of the important carbon-carbon forming reactions. It belongs to the reactions of the enolate derived from a carbonyl group with an electrophilic carbon such as Aldol‚ Claisen‚ Michael reaction and alkylation of metal enolates [6-9].The acylation reaction as well as above other reactions of enolates has serious limitations to be overcome. In these reactions‚ a strong base NaOH is needed to transform the carbonyl compounds into their anion forms. Generally‚ the carbonyl compounds

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    as thalidomiders. Thalidomide was banned for its intended use but it has been found to be effective for other 15 uses. The American drug agency (the FDA) has approved thalidomide‚ under a restricted access system‚ for the treatment of leprosy[->6] (Hansen’s Disease). As of 2001‚ thalidomide was in clinical trials as a way of treating some cancers and some conditions in AIDS. Australian researchers began a trial of the controversial drug in April 2002‚ involving 224 cancer patients over a two-year

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    reference to Figure 23.1‚ identify #1 - #5. 1 Mid-sternal line 4 5th rib 2 Sternum 5 Fifth intercostal space 3 Diaphragm COVERINGS OF THE HEART 5 What is the name of the covering of the heart? The heart is covered by the pericardium‚ or pericardial sac. 6 What is the function of the fibrous layer of the pericardium? The fibrous pericardium functions to protect the heart and to anchor the heart inferiorly to the pericardium and superiorly to the heart’s vessels. 7 What is the name of the inner layer of

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