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Introduction - Harris Training Institute, Inc.
Introduction - Harris Training Institute, Inc.

...  Tumor – group of abnormally-growing cells; may be benign (or noncancerous) or malignant (cancerous)  Cancer (CA) – a disease in which abnormal cells grow in an uncontrolled manner, invade surrounding tissue and may spread to other areas of the body; can occur almost anywhere in or on the body, bu ...
Biology HSC Half Yearly 2012-1
Biology HSC Half Yearly 2012-1

... (A) Red cells, as they are large and carry more oxygen than white cells (B) Dust contamination from a dirty slide (C) Platelets, as they have dark clotting material inside them (D) White cells, as they are larger than the other cells and have a nucleus Question 15 Under which of the following condit ...
Blood Pressure - Sarah E. Goode STEM Academy
Blood Pressure - Sarah E. Goode STEM Academy

... Participate in regular aerobic exercise for at least 30 minutes three or four times per week. Avoid secondhand smoke and using tobacco products. Avoid illegal drug use. Get regular medical checkups. ...
Transport Across The Cell Membrane
Transport Across The Cell Membrane

... OSMOSIS across the Capillary Wall •  The body normally maintains an ISOTONIC ECF and removes excess water and electrolytes by excretion (via kidneys). •  Plasma proteins are non – penetrating solutes for the capillary membrane & determine the osmotic pressure of the blood. •  Plasma proteins attrac ...
Physiology of Flagella - Life Sciences Outreach at Harvard University
Physiology of Flagella - Life Sciences Outreach at Harvard University

... • To move forward flagella rotates Counterclockwise propelling cell body with the tail following behind • When flagella rotates Clockwise forward motion stops and cell tumbles Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. ...
Biological effects of 6 mT static magnetic fields: A comparative study
Biological effects of 6 mT static magnetic fields: A comparative study

... exposure to static MF at flux densities below 2 T were not unequivocally found to have adverse health consequences. However, at the current state of knowledge, the biological effects, both in vivo and in vitro, connected to MFs are not univocally interpreted. A deeper knowledge of the negative and/o ...
sample - Test Bank College
sample - Test Bank College

... Reproduction at the organismal level is not absolutely necessary for each of us to survive day by day.  It is not critical for our own survival that we reproduce new offspring via the production of eggs or sperm. Therefore, humans can live without a functional reproductive system and still maintain  ...
4. Define the following terms: transcription, translation, codon
4. Define the following terms: transcription, translation, codon

... biological diversity, plant and animal form and function, and ecology. Illustrates in color and includes CD-ROM with120 interactive exercises, animations, and lab simulations. 2. Freeman, Biological Science, 4th Edition., Benjamin Cummings, 2011. Freeman's Biological Science helps teach readers the ...
Genetic Control of Programmed Cell Death in the Nematode C
Genetic Control of Programmed Cell Death in the Nematode C

... deaths are generated as sisters of the NSMs. The presence of serotonin in these putative supernumerary NSMs (at least after the uptake of exogenous serotonin; see Figure 6) is less variable than that of dopamine in the supernumerary dopaminergic neurons described above. Specifically, 29 of 34 NSMs i ...
Golgi Apparatus
Golgi Apparatus

... The basic function of the Golgi apparatus is the transport of proteins within the cell. The Golgi receives materials for transportation through the cis face and sends the materials through to the trans face once they are packaged and modified into the vesicles. It functions in the collection, packa ...
Functions of smooth muscles and their electrical properties Learning
Functions of smooth muscles and their electrical properties Learning

... Smooth muscle forms precapillary sphincters in metarterioles which regulates blood flow in capillary beds of various organs and tissues contractile function of vascular smooth muscle is critical to regulating the luminal diameter of small arteries-arterioles called resistance vessels. resistance art ...
Hedgehog proteins: expression and function in the thymus
Hedgehog proteins: expression and function in the thymus

... TO ITS RECEPTOR Proper Hh function requires a precise regulation in time and/or space of its signalling. This is achieved in vivo by a fairly complex system that would work by different mechanisms: a) determining the levels of available Hh molecules in a target field not only regulating their secret ...
PDF
PDF

... territory. Whereas in normal embryos Q-teloblast derived epidermal cells were present only in the dorsal skin, in OP-ablated specimens, such cells were present also in a large portion of the ipsilateral ventral skin, in some places having spread almost as far as the ventral midline (Figs. 2a, b). He ...
Bardet-Biedl Syndrome and the Neuronal Primary Cilium Scott T
Bardet-Biedl Syndrome and the Neuronal Primary Cilium Scott T

... Scott T. Brady One structure often overlooked in considerations of the cell biology of the brain is the primary cilium, but the importance of cilia in neuronal development and function is becoming apparent (Han & Alvarez-Buylla, 2010). In part, this awareness stems from recognition that specific def ...
Surface probe measurements of the elasticity of sectioned tissue
Surface probe measurements of the elasticity of sectioned tissue

... with matrix elasticity, where length scale effects normal to the substrate are also considered together with lateral accuracy. AFM is a useful surface probe method not only for probing cell culture substrates but also for probing the elasticity of cells and perhaps even tissues that previously have ...
Light-Independent Cell Death Induced by
Light-Independent Cell Death Induced by

... Halling 1988, Witkowski and Halling 1989). These reports indicate a close relationship between lesion formation and impairment of chlorophyll metabolism. The process of lesion formation by tetrapyrrole accumulation is not fully understood, but it is most likely that initiation of lesion formation is ...
4)Cell wall
4)Cell wall

... mycology (Gr. Mykes mushroom + logos = discourse). Fungi and bacteria are the primary decomposer of organic matter in most terrestrial ecosystem . Fungi are characterized by a life cycle that begins with germination from a spore or resting structure , following by a period of growth as substrate is ...
Research Interests
Research Interests

... circumblastoporally, but rather than this convergence producing extension along the anterior-posterior axis, the convergence is channeled into thickening in the radial direction. Convergent thickening occurs around the ventral blastopore lip of Xenopus (Keller and Danilchik, 1988) and generates a co ...
B3 Text book - Calthorpe Park Moodle
B3 Text book - Calthorpe Park Moodle

... substances between the cells of your body and your environment. Some parts of your body – such as your lungs, small intestine and kidneys – have particular adaptations that make them effective as exchange surfaces. Other organisms also have surfaces that are adapted for exchange. For example, fish h ...
Oncogenic potential of a C.elegans cdc25 gene is demonstrated by
Oncogenic potential of a C.elegans cdc25 gene is demonstrated by

... and elt-2, have been identi®ed involved in the normal execution of endodermal fate and hence acting downstream of the maternal E speci®cation genes (Zhu et al., 1997; Fukushige et al., 1998). Both of these genes are expressed zygotically, the transcript of end-1 being detected ®rst within the E blas ...
When plant cells decide to divide
When plant cells decide to divide

... Once the cell has duplicated its DNA during the S phase, its next tasks are to generate a mitotic spindle, disassemble the nuclear envelope, condense its chromosomes and align each pair of sister chromatids on the metaphase plate. Expression analysis of five different classes of plant CDKs revealed ...
Sample Test Items by Strand- Grade 7 Science Science as Inquiry
Sample Test Items by Strand- Grade 7 Science Science as Inquiry

... The blood has the job of moving materials such as food molecules, vitamins, water, gases, and waste products through the body. Cells throughout the body exchange many substances with blood. However, some organs also move materials into and out of the blood. Diagrams 1 and 2 below show parts of the l ...
Tumor-specific T cells in human Merkel cell carcinomas: a possible
Tumor-specific T cells in human Merkel cell carcinomas: a possible

... itself has induced regression of MCC (Friedlaender et al., 2002; Heath et al., 2008; Muirhead and Ritchie, 2007; Val-Bernal et al., 2011; Wooff et al., 2010). Although 80% of MCCs have genomic integration of MCV and produce viral proteins including small and large T antigens, these tumors are still ...
- Wiley Online Library
- Wiley Online Library

... threonine (19%) and serine (10.4%). Together these four aa comprised over 50% of the kustd1438 protein sequence. This type of skewed aa composition is characteristic for structural proteins that form higher-order structures, such as the division ring, the cytoskeleton and the cell wall. The structur ...
LIFEPAC® 10th Grade Science Unit 8 Worktext - HomeSchool
LIFEPAC® 10th Grade Science Unit 8 Worktext - HomeSchool

... seed and watched it germinate and produce a seedling that grew into a mature plant? One of the more obvious changes that take place in the development of most plants and animals ...
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Organ-on-a-chip

An organ-on-a-chip (OC) is a multi-channel 3-D microfluidic cell culture chip that simulates the activities, mechanics and physiological response of entire organs and organ systems. It constitutes the subject matter of significant biomedical engineering research, more precisely in bio-MEMS. The convergence of labs-on-chips (LOCs) and cell biology has permitted the study of human physiology in an organ-specific context, introducing a novel model of in vitro multicellular human organisms. One day, they will perhaps abolish the need for animals in drug development and toxin testing.Although multiple publications claim to have translated organ functions onto this interface, the movement towards this microfluidic application is still in its infancy. Organs-on-chips will vary in design and approach between different researchers. As such, validation and optimization of these systems will likely be a long process. Organs that have been simulated by microfluidic devices include the heart, the lung, kidney, artery, bone, cartilage, skin and more.Nevertheless, building valid artificial organs requires not only a precise cellular manipulation, but a detailed understanding of the human body’s fundamental intricate response to any event. A common concern with organs-on-chips lies in the isolation of organs during testing. ""If you don’t use as close to the total physiological system that you can, you’re likely to run into troubles"" says William Haseltine, founder of Rockville, Maryland. Microfabrication, microelectronics and microfluidics offer the prospect of modeling sophisticated in vitro physiological responses under accurately simulated conditions.
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