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ProblemSet2answerkey
ProblemSet2answerkey

... -0.150 volts = 2.3 (8.314 J mol-1 K-1)* 298K log (3mM/Cin) (-1)(9.65 x 104 J mol-1 volt-1) do the math 2.54 = log (3mM/Cin) 102.54 = 3mM/Cin Cin = 3mM/102.54 Cin = 3mM/347 Cin = 0.0087mM, or 8.7 x 10-6 M This is the equilibrium concentration that is expected based on the membrane potential. Note tha ...
Endokrinologi
Endokrinologi

... pertumbuhan, reproduksi dan osmoregulasi; interaksi antara faktor-faktor lingkungan dengan sistem endokrin. ...
microbe images
microbe images

... This gives the plant its shape and structure by providing a rigid barrier around each cell. The composition varies. In Eubacteria it contains peptidoglycan – polymers of modified sugars cross-linked by polypeptides. In gram negative bacteria there is an outer membrane containing carbohydrates bonded ...
No Slide Title
No Slide Title

... Rate of diffusion depends on molecular weight (Graham’s Law) Air ...
BIPN100 F15 Human Physiology 1 (Kristan) Lecture 15. Body fluids
BIPN100 F15 Human Physiology 1 (Kristan) Lecture 15. Body fluids

... b. Carrier: e.g., H+ exchanges with either for Na+ or K+, on different membrane carriers. c. Channels: e.g., Ca++ moves across cell membranes, as in the control of muscle contraction. 2. Amino acids and sugars are coupled to the movement of ions, primarily Na+. 3. Gases and hydrophobic molecules can ...
TEST 3 - F5 C1 - Biology Form 5 Tests
TEST 3 - F5 C1 - Biology Form 5 Tests

... 7. Lymph fluid contains excretory substances produced from cell metabolism.  (1) 8. In ileum, fatty acids, glycerol and fat soluble vitamins diffuse into lacteal / lymphatic vessels of villus.  (1) 9. Lymph fluid is transported by the lymphatic system into the blood circulatory system at the subcl ...
6 Kingdoms - Denton ISD
6 Kingdoms - Denton ISD

... • There are animal-like, fungus-like, and plant-like protists • Some are beneficial • Protists are found in lakes and ponds • Some protists can cause diseases in ...
Unit 5 Human Body Systems * Part 1
Unit 5 Human Body Systems * Part 1

... • During exercise, the cells burn oxygen faster to produce more energy for the body. • This creates more carbon dioxide as a waste product. • The increased carbon dioxide level is detected by the brain ...
Ultrastructure of cell types of the olfactory epithelium in a catfish
Ultrastructure of cell types of the olfactory epithelium in a catfish

... some thick protrusions combining with the cilia in the sensory epithelium of Belone belone. These protrusions simulate rod cell and they (op. cit.) considered this cell as a degenerated one. But the present study puts a question to its degenerated status because it has been observed that the rod cel ...
Anti-Invasive Activity of Niacin and Trigonelline against Cancer Cells
Anti-Invasive Activity of Niacin and Trigonelline against Cancer Cells

... the XO activity by measuring uric acid generated by HX–XO reaction, and nicotinic acid, nicotinamide, and trigonelline were found not to affect XO activity at 10 mM, suggesting that they were not involved in the inhibition of the ROS-potentiated invasion through interference with ROS generation under ...
Xylem and Phloem Comparison Chart
Xylem and Phloem Comparison Chart

... Forms vascular bundles with phloem and gives mechanical strength to plant due to presence of lignin cells. The lignified secondary wall also makes the xylem waterproof and prevent it from collapsing under the pressure of water transpiration occurring in the leaves. ...
Leucocyte depleted blood products.
Leucocyte depleted blood products.

... Cytokines are not released which results in FNHTR s HLA alloimmunization can occur with leucocyte fragments Laboratory filtration assures quality monitoring and also the time of filtration Filtration is done within 48 hours One school of thought favors processing of units after 6 hours as it allows ...
Chapter 14
Chapter 14

... The types of white blood cells are the granular neutrophils, eosinophils, and basophils, and the agranular monocytes and lymphocytes. a. Neutrophils have red-staining fine cytoplasmic granules and a multilobed nucleus; they comprise 54-62% of leukocytes. b. Eosinophils have coarse granules that stai ...
Chapter 12 - Blood 12.1 Introduction (p. 322) A. Blood is considered
Chapter 12 - Blood 12.1 Introduction (p. 322) A. Blood is considered

... The types of white blood cells are the granular neutrophils, eosinophils, and basophils, and the agranular monocytes and lymphocytes. a. Neutrophils have red-staining fine cytoplasmic granules and a multilobed nucleus; they comprise 54-62% of leukocytes. b. Eosinophils have coarse granules that stai ...
Homeostasis and the Human Body
Homeostasis and the Human Body

... The circulatory system is composed of vessels (arteries and arterioles) that take blood from the heart, thin-walled capillaries where exchange occurs, and vessels (venules and veins) that return blood to the heart. Blood is pumped by the heart simultaneously into two circuits: the pulmonary and syst ...
Programmed cell death in plant development
Programmed cell death in plant development

... also be eliminated. In apomictic species, the fruits develop without fertilisation which means that the ovaries with ovules are retained forming fruit, while the other flower parts are eliminated. In parthenocarpic species that bear fruits without seeds, only walls of ovaries continue development. A ...
STEM CELLS AND MYOCARDIAL REGENERATION BY
STEM CELLS AND MYOCARDIAL REGENERATION BY

... A  heart  attack  is  medically  known  as  a  myocardial  infarction.  It’s  a  serious  medical  emergency  triggered   by  the  death  of  myocytes  (cardiac  cells).  The  death  of  myocytes  is  caused  by  five  main  stages.   ...
D6-Antibacterials
D6-Antibacterials

... penicillin by building enzymes which deactivate the penicillin (pencillinase) or having a modified enzyme for building the cell wall which does not allow the penicillin to bind to it.  Modifying the side chain can sometimes overcome these types of resistance. ...
The Science and Ethics of Stem Cell Research
The Science and Ethics of Stem Cell Research

... Embryonic stem cells, as their name suggests, are derived from embryos. Specifically, embryonic stem cells are derived from embryos that develop from eggs that have been fertilized in vitro— in an in vitro fertilization clinic—and then donated for research purposes with informed consent of the donor ...
TSO1 functions in cell division during Arabidopsis flower development
TSO1 functions in cell division during Arabidopsis flower development

... not shown). Although cellular abnormalito that of the wild type (not shown). (H) A root tip of a wild-type 7-day seedling ties can be detected as early as stage 1 germinated on filter paper. Seeds of tso1-1/+ parents were similarly germinated, and root floral meristems, these cellular abnormalitips ...
ELECTRON-MICROSCOPE ILLUSTRATIONS OF DIVISION IN
ELECTRON-MICROSCOPE ILLUSTRATIONS OF DIVISION IN

... (Imaeda, Convit and Lapenta, 1963; Brieger and Allen, 1964; Klingmuller and Orfanos, 1966). Even in tissues from patients with severe untreated lepromatous leprosy, in which there are very numerous bacteria, dividing organisms are seldom seen. This has led some workers (Chatterjee, 1965) to suggest ...
File
File

... These arterioles lead into the capillary beds, thin nets of vessels where gas exchange occurs. Blood then converges back into small veins called venules and eventually back into the major veins to be returned to the heart. Vessel size varies dramatically along this path. The aorta, the largest arter ...
Cherstie Meskey 11/26/10 Chemistry Elements of Your Body
Cherstie Meskey 11/26/10 Chemistry Elements of Your Body

... Lethal injection is done by a solution of potassium chloride, this is because hyperkalemia can cause heart attacks or even cardiac arrest (stopping of the heart). Potassium chloride is also sometimes used in real life in the operating room. During open heart surgeries, or other procedures where surg ...
Biological and Biochemical Foundations of Living Systems
Biological and Biochemical Foundations of Living Systems

... chemical properties that are responsible for their participation in virtually every process occurring within and between cells. The three-dimensional structure of proteins is a direct consequence of the nature of the covalently-bonded sequence of amino acids, their chemical and physical properties, ...
doc - Peace Corps Tanzania
doc - Peace Corps Tanzania

... Wall Pressure - A cell taking in water by osmosis inflates until its cellulose wall cannot be stretched further, this restraining force is called wall pressure Cholesterol - A substance found mainly in animal fats which form part of the cell membranes. Excessive cholesterol in ones diet can lead to ...
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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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