generated when a single chromosome is replicated into two copies of itself‚ these copies being called sister chromatids. Compare sister chromatids to homologous chromosomes‚ which are the two different copies of a chromosome that diploid organisms (like humans) inherit‚ one from each parent. (collected from internet.see more from book & slide :P) 4. Synapsis: (also called syndesis) is the pairing of two homologous chromosomes that occurs during meiosis. This is not to be confused with mitosis. Mitosis
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As humans‚ we are the most dominant species in the world. We have the ability to walk upright‚ grasping thumbs‚ and large brains. This helps us to live and be successful on earth. But‚ these advantages we have didn’t happen overnight‚ they occurred during the hominine evolution. The skull‚ neck‚ spiral column‚ hip bones‚ and leg bones of the early hominine species changed shape in ways that later enabled species to walk upright. The evolution of dipedal‚ or two-footed‚ locomotion was very important
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1. 2. 3. All of Allison’s eggs will carry the X chromosome and 50% of Allison’s egg cells will carry the recessive allele (hexa). 4.a. There is a 25% chance that Allison and Tim will have a baby boy who is heterozygous for Tay-Sachs. b. No‚ the baby boy will not have Tay-Sachs he will be a carrier for the disease. The boy would only have the disease if he was homozygous recessive. | X | Y | X | XX | XY | X | XX | XY | 1:2 1:2 | T | t | T | TT | Tt | t | Tt | tt
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Absorption- The process by which the products of digestion are transferred into the body’s internal environment‚ enabling them to reach the cells. adenosine triphosphate (ATP) A common form in which energy is stored in living systems; consists of a nucleotide (with ribose sugar) with three phosphate groups. The energy coin of the cell.aerobic -relating to or denoting exercise that improves or is intended to improve the efficiency of the body’s cardiovascular system in absorbing and transporting
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Leaf anatomy‚ food for plants and animals‚ plant functions‚ and plant and animal cells are all subjects that were highly mentioned throughout the first quarter. The theme of Energy Transfer is prominent in all of these topics. The Interdependence in Nature is also a theme that comes up especially in plant functions‚ plant and animal cells‚ and leaf anatomy. Although there were many different sub-themes after many experiments‚ research‚ and discussion in class‚ I find that the two main themes that
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Benefits of MRSA MRSA (Methicillin-resistant Staphylococcus aureus) is responsible for several difficult treatments of infections in humans. Many MRSA infections occur in hospitals and health care facilities with a higher rate in nursing homes or long-term care facilities. There are many solutions that can reduce these infections which are beneficial for people. “According to the U.S. Centers for Disease Control and Prevention (CDC)‚ more than 70 percent of the bacteria that cause hospital-associated
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Embryos Survive Stem Cell Harvest Pg. 2 Embryos Survive Stem Cell Harvest Pg. 2 Prevent skin cancer cause by the UV rays with the new Eucerin sun block cream protector Prevent skin cancer cause by the UV rays with the new Eucerin sun block cream protector November‚ 2012 issue November‚ 2012 issue The CELL-O Magazine by mariana carroll and esteban cruz The CELL-O Magazine by mariana carroll and esteban cruz Pg 4 How to prevent cancer? There are a lot of ways to
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forensics This topic starts by looking at how forensic pathologists use a wide variety of analytical techniques to determine the identity of a person or other animal‚ and to establish the time and cause of death of an organism‚ including humans. It then considers how bacteria and viruses use a variety of routes into their hosts and how hosts have evolved barriers and internal mechanisms to combat infections. These protections are not always successful and many people in the world
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6.08 MAMMALAnimal name | White tiger Scientific Name is Panthera tigris | picture | | Website reference for picture | http://historylessonsnepal.blogspot.com/2011/06/white-tiger.html | Physical traits | Mammals‚ warm blooded‚ carnivores‚ They have blue eyes‚ a pink nose‚ and creamy white fur covered with chocolate colored stripes. | Animal behavior | White Tiger is a solitary animal as this allows this large predator to sneak up on prey more effectively in the dense jungle. Although the
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cell that you did not place in the animal cell? 3. Is there any difference in the structure of the two cells? 4. What structures do organisms that lack cell walls have for support? 5. How are organelles in a cell like organs in a human body?
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