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University of Groningen Hyperthermia and protein
... fura-2/AM. It was concluded from these studies that, although heat-induced alterations in [Ca2+]i were observed in some cell lines, no relation with cell killing was present and therefor alterations of calcium homeostasis cannot be considered as a general cause for hyperthermic cell killing. Increas ...
... fura-2/AM. It was concluded from these studies that, although heat-induced alterations in [Ca2+]i were observed in some cell lines, no relation with cell killing was present and therefor alterations of calcium homeostasis cannot be considered as a general cause for hyperthermic cell killing. Increas ...
FREE Sample Here - College Test bank
... Cellular respiration refers collectively to the intracellular reactions in which energy-rich molecules are broken down to form ATP, using O2 and producing CO2 in the process. Oxidative phosphorylation refers to the process by which ATP is synthesized using the energy released by electrons as they ar ...
... Cellular respiration refers collectively to the intracellular reactions in which energy-rich molecules are broken down to form ATP, using O2 and producing CO2 in the process. Oxidative phosphorylation refers to the process by which ATP is synthesized using the energy released by electrons as they ar ...
FREE Sample Here
... 3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained? a. Mitochondria b. Ribosome c. Nucleolus d. Nucleus ANS: C The region of the cell that contains genetic material, including a large amount of ribonucleic acid, most of ...
... 3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained? a. Mitochondria b. Ribosome c. Nucleolus d. Nucleus ANS: C The region of the cell that contains genetic material, including a large amount of ribonucleic acid, most of ...
Lab 3: Cells: Structure and Function
... of cytoplasm from one part of the cell to another part of the same cell. It serves to transport different molecules to all parts of the cell, maintain optimal light and temperature conditions, and (in some cases, although not in plants) cytoplasmic streaming serves to help the cell move. All cells e ...
... of cytoplasm from one part of the cell to another part of the same cell. It serves to transport different molecules to all parts of the cell, maintain optimal light and temperature conditions, and (in some cases, although not in plants) cytoplasmic streaming serves to help the cell move. All cells e ...
CELL BIOLOGY - BIOL 303 EXAM 1 There is only 1 correct answer
... uses pinholes and a laser to eliminate out of focus fluorescence uses a point spread function to calculate the focal plane from which each pixel of light comes and thus eliminates out of focus fluorescence makes use of the fact that the wavelength of emitted radiation decrease as the speed of electr ...
... uses pinholes and a laser to eliminate out of focus fluorescence uses a point spread function to calculate the focal plane from which each pixel of light comes and thus eliminates out of focus fluorescence makes use of the fact that the wavelength of emitted radiation decrease as the speed of electr ...
Lab 3
... of cytoplasm from one part of the cell to another part of the same cell. It serves to transport different molecules to all parts of the cell, maintain optimal light and temperature conditions, and (in some cases, although not in plants) cytoplasmic streaming serves to help the cell move. All cells e ...
... of cytoplasm from one part of the cell to another part of the same cell. It serves to transport different molecules to all parts of the cell, maintain optimal light and temperature conditions, and (in some cases, although not in plants) cytoplasmic streaming serves to help the cell move. All cells e ...
Effect of ±5ºC difference from physiologic temperature on surface
... Changes in S/V ratio in cells exposed to different temperatures might be partially explained by blebbing. This is suggested to be initiated by a combination of events that involve local disruption of membrane–actin cortex interactions, leading to rapid protrusion of the plasma membrane as a result o ...
... Changes in S/V ratio in cells exposed to different temperatures might be partially explained by blebbing. This is suggested to be initiated by a combination of events that involve local disruption of membrane–actin cortex interactions, leading to rapid protrusion of the plasma membrane as a result o ...
Lab 3: Cells: Structure and Function
... of cytoplasm from one part of the cell to another part of the same cell. It serves to transport different molecules to all parts of the cell, maintain optimal light and temperature conditions, and (in some cases, although not in plants) cytoplasmic streaming serves to help the cell move. All cells e ...
... of cytoplasm from one part of the cell to another part of the same cell. It serves to transport different molecules to all parts of the cell, maintain optimal light and temperature conditions, and (in some cases, although not in plants) cytoplasmic streaming serves to help the cell move. All cells e ...
The Cell Membrane
... Cell membrane defines cell Cell membrane separates living cell from aqueous environment ...
... Cell membrane defines cell Cell membrane separates living cell from aqueous environment ...
Movement across the Cell Membrane
... • Gas exchange at the alveoli — oxygen from air to blood, carbon dioxide from blood to air. • Gas exchange for photosynthesis — carbon dioxide from air to leaf, oxygen from leaf to air. • Gas exchange for respiration — oxygen from blood to tissue cells, carbon dioxide in opposite direction. • Transf ...
... • Gas exchange at the alveoli — oxygen from air to blood, carbon dioxide from blood to air. • Gas exchange for photosynthesis — carbon dioxide from air to leaf, oxygen from leaf to air. • Gas exchange for respiration — oxygen from blood to tissue cells, carbon dioxide in opposite direction. • Transf ...
Regional Variability of the ITCZ and of the Hadley Cell
... the austral hemisphere. (a) The ITCZ migrates following the Sun in a sinusoidal seasonal pattern with a 3° bias to the north, because the continents favor the monsoonal regime to the north of the equator. (b) A permanent feature of the tropics is the inhibition of deep convection across the equator ...
... the austral hemisphere. (a) The ITCZ migrates following the Sun in a sinusoidal seasonal pattern with a 3° bias to the north, because the continents favor the monsoonal regime to the north of the equator. (b) A permanent feature of the tropics is the inhibition of deep convection across the equator ...
D. cell structure soln
... 4. If a plant cell is 8 µm in width and depth and has a length of 30 µm, what is the surface to volume ratio for this cell? If the same cell has a large central vacuole, so that the cytoplasm (not including the vacuole) extends inward 1 µm from the plasma membrane of the cell, what is the surface to ...
... 4. If a plant cell is 8 µm in width and depth and has a length of 30 µm, what is the surface to volume ratio for this cell? If the same cell has a large central vacuole, so that the cytoplasm (not including the vacuole) extends inward 1 µm from the plasma membrane of the cell, what is the surface to ...
Exam2-2007.doc
... ribosomes are made. C) an area where the nucleus is synthesized. D) a membrane-bound organelle. E) the area in a prokaryote where DNA is concentrated. 6) The nuclei of eukaryotic cells are characterized by A) a single-layered membrane. ...
... ribosomes are made. C) an area where the nucleus is synthesized. D) a membrane-bound organelle. E) the area in a prokaryote where DNA is concentrated. 6) The nuclei of eukaryotic cells are characterized by A) a single-layered membrane. ...
THE STOMATA
... Normally stomata open when the light strikes the leaf in the morning and close during the night. The immediate cause is a change in the turgor of the guard cells. The inner wall of each guard cell is thick and elastic. When turgor develops within the two guard cells flanking each stoma, the thin out ...
... Normally stomata open when the light strikes the leaf in the morning and close during the night. The immediate cause is a change in the turgor of the guard cells. The inner wall of each guard cell is thick and elastic. When turgor develops within the two guard cells flanking each stoma, the thin out ...
Eukaryotic Cells
... the cell's environment. The cell membrane is the outermost structure i n cells that lack a cell wall. I n cells that have a cell wall, the cell membrane lies just inside the cell wall. The cell membrane contains proteins, lipids, and phospholipids. Lipids, which include fats and cholesterol, are a g ...
... the cell's environment. The cell membrane is the outermost structure i n cells that lack a cell wall. I n cells that have a cell wall, the cell membrane lies just inside the cell wall. The cell membrane contains proteins, lipids, and phospholipids. Lipids, which include fats and cholesterol, are a g ...
MHC
... • Adopt a flexible “floppy” conformation until a peptide binds • Fold around the peptide to increase stability of the complex •The captured peptides contribute to the stabilization of the complex • Use a small number of anchor residues to tether the peptide - this allows different sequences between ...
... • Adopt a flexible “floppy” conformation until a peptide binds • Fold around the peptide to increase stability of the complex •The captured peptides contribute to the stabilization of the complex • Use a small number of anchor residues to tether the peptide - this allows different sequences between ...
Module 3 Lecture 7 Endocytosis and Exocytosis
... phagocytes engulf larger solid particles such as bacteria, debris or intact cells. Certain unicellular organisms, such as the protists, use this particular process as means of feeding. It provides them part or all of their nourishment. This mode of nutrition is known as phagotrophic nutrition. In am ...
... phagocytes engulf larger solid particles such as bacteria, debris or intact cells. Certain unicellular organisms, such as the protists, use this particular process as means of feeding. It provides them part or all of their nourishment. This mode of nutrition is known as phagotrophic nutrition. In am ...
Golgi Body
... There are many microtubules in the cell, which help to form the aforementioned structures These are found in all plant and animal cells, as they need cytoskeletons to preserve their form, like vertebrates need a skeleton. Microtubules also form spindle fibers, which aid in the process of cell divisi ...
... There are many microtubules in the cell, which help to form the aforementioned structures These are found in all plant and animal cells, as they need cytoskeletons to preserve their form, like vertebrates need a skeleton. Microtubules also form spindle fibers, which aid in the process of cell divisi ...
C274/SQP368 Biology NATIONAL QUALIFICATIONS
... your pencil, put a horizontal line in the space provided (see sample question below). 7 There is only one correct answer to each question. 8 Any rough working should be done on the question paper or the rough working sheet, not on ...
... your pencil, put a horizontal line in the space provided (see sample question below). 7 There is only one correct answer to each question. 8 Any rough working should be done on the question paper or the rough working sheet, not on ...
The Phospholipid Bilayer - Advanced
... A phospholipid is made up of a polar, phosphorus-containing head, and two long fatty acid (hydrocarbon), non-polar "tails." That is, the head of the molecule is hydrophilic (water-loving), and the tail is hydrophobic (water-fearing). Cytosol and extracellular fluid - the insides and outsides of the ...
... A phospholipid is made up of a polar, phosphorus-containing head, and two long fatty acid (hydrocarbon), non-polar "tails." That is, the head of the molecule is hydrophilic (water-loving), and the tail is hydrophobic (water-fearing). Cytosol and extracellular fluid - the insides and outsides of the ...
Lesson Overview
... In phagocytosis, extensions of cytoplasm surround a particle and package it within a food vacuole. The cell then engulfs it. Amoebas use this method for taking in food. Engulfing material in this way requires a considerable amount of energy and, therefore, is a form of active transport. ...
... In phagocytosis, extensions of cytoplasm surround a particle and package it within a food vacuole. The cell then engulfs it. Amoebas use this method for taking in food. Engulfing material in this way requires a considerable amount of energy and, therefore, is a form of active transport. ...
Supplementary 1: Material and methods Determination of CHO cell
... Recently available genome-scale metabolic model for mammalian cells accounts for 1494 metabolic reactions, 724 ORFs and 715 enzymes (Selvarasu et al. 2010). We expanded the network model by adding reactions obtained from CHO cDNA annotation resulting in the addition of 38 new reactions from various ...
... Recently available genome-scale metabolic model for mammalian cells accounts for 1494 metabolic reactions, 724 ORFs and 715 enzymes (Selvarasu et al. 2010). We expanded the network model by adding reactions obtained from CHO cDNA annotation resulting in the addition of 38 new reactions from various ...
Cell Signaling III: Death comes for the Cell Joe W. Ramos
... CED-9=Blocks apoptosis CED-4=linker molecule forms activating complex with CED-3 CED-3=Protease that executes cell by chewing up proteins EGL-1=Proapoptotic by blocking CED-9 function ...
... CED-9=Blocks apoptosis CED-4=linker molecule forms activating complex with CED-3 CED-3=Protease that executes cell by chewing up proteins EGL-1=Proapoptotic by blocking CED-9 function ...
Cytosol
![](https://en.wikipedia.org/wiki/Special:FilePath/Crowded_cytosol.png?width=300)
The cytosol or intracellular fluid (ICF) or cytoplasmic matrix is the liquid found inside cells. It is separated into compartments by membranes. For example, the mitochondrial matrix separates the mitochondrion into many compartments.In the eukaryotic cell, the cytosol is within the cell membrane and is part of the cytoplasm, which also comprises the mitochondria, plastids, and other organelles (but not their internal fluids and structures); the cell nucleus is separate. In prokaryotes, most of the chemical reactions of metabolism take place in the cytosol, while a few take place in membranes or in the periplasmic space. In eukaryotes, while many metabolic pathways still occur in the cytosol, others are contained within organelles.The cytosol is a complex mixture of substances dissolved in water. Although water forms the large majority of the cytosol, its structure and properties within cells is not well understood. The concentrations of ions such as sodium and potassium are different in the cytosol than in the extracellular fluid; these differences in ion levels are important in processes such as osmoregulation, cell signaling, and the generation of action potentials in excitable cells such as endocrine, nerve and muscle cells. The cytosol also contains large amounts of macromolecules, which can alter how molecules behave, through macromolecular crowding.Although it was once thought to be a simple solution of molecules, the cytosol has multiple levels of organization. These include concentration gradients of small molecules such as calcium, large complexes of enzymes that act together to carry out metabolic pathways, and protein complexes such as proteasomes and carboxysomes that enclose and separate parts of the cytosol.