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Plant hormone perception and action: a role for G-protein
Plant hormone perception and action: a role for G-protein

... clones encoding a single class of Ga subunit (GPA1), and a Gb subunit, from several plant species (Ma et al. 1990, 1991; Poulsen et al. 1994; Weiss et al. 1994; Kim et al. 1995; Ishikawa et al. 1995; Seo et al. 1995). To date no gene encoding a Gg subunit has been isolated from plants. The high sequ ...
Lecture 8
Lecture 8

... transported across the inner mitochondrial membrane, and into the matrix where it is oxidized and combined with coenzyme A to form CO2, acetyl-CoA, and NADH The acetyl-CoA is the primary substrate to enter the citric acid cycle, also known as the tricarboxylic acid (TCA) cycle or Krebs cycle. The en ...
Clues from cell metabolism
Clues from cell metabolism

... A fundamental problem for solid tumours is that they often outgrow their blood supplies, and face low oxygen levels (hypoxia). Under hypoxic conditions, HIF accumulates and triggers the transcription of about 200 genes, many of which support cell survival. These include genes that promote glycolysis ...
Chapter 3: Cells
Chapter 3: Cells

... 7. A physiological steady state is where concentrations of diffusing substances are unequal but stable. 8. Five substances that cross the cell membrane through simple diffusion are lipid-soluble substances, oxygen, carbon dioxide, steroids, and general anesthetics. 9. The three most important factor ...
Chapter 3: Cells
Chapter 3: Cells

... 7. A physiological steady state is where concentrations of diffusing substances are unequal but stable. 8. Five substances that cross the cell membrane through simple diffusion are lipid-soluble substances, oxygen, carbon dioxide, steroids, and general anesthetics. 9. The three most important factor ...
COMMENTARY REDOX SIGNALLING BY TRANSCRIPTION
COMMENTARY REDOX SIGNALLING BY TRANSCRIPTION

Bio 127 Section 4 Outline
Bio 127 Section 4 Outline

... 2) Heart progenitor cells migrate through primitive streak to form two groups of cells in lateral plate mesoderm at the level of the node (i) The cells are specified buy not determined (ii) Specification induced by endoderm adjacent to the heart through BMP and FGF 3) Posterior and anterior regions ...
Suppressors of cytokine signaling (SOCS) regulate receptor function
Suppressors of cytokine signaling (SOCS) regulate receptor function

... Another metabolic priority is to preserve protein. This is accomplished by shifting fuel use from glucose to fatty acids. Fatty acids are mobilized by the adipose tissues for use by peripheral tissues in order to allow continued use of glucose by the brain. The liver converts fatty acids into ketone ...
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22. Think of two different proteins: both are enzymes. a) What

... Phosphorylation/Dephosphorylation: requires donor of phosphate group (ATP=P1+energy) d) What is the main difference between the mechanism in c) and allosteric control? Two enzymes are needed to regulate for covalent binding in phosphorylation/de. and no enzymes are used for non covalent allosteric b ...
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499 Med Chem Chap 5 problems

Molecular Mechanisms of Transforming Growth Factor
Molecular Mechanisms of Transforming Growth Factor

... substance (MIS), inhibin, growth and differentiation factors (GDF), and glial-cell derived neurotrophic factor (GDNF). Five TGF-b ligands have been cloned (TGF-b1–5). These ligands are secreted as 100-kDa inactive complexes. The inactive form consists of a dimer of the N-terminal peptide, noncovalen ...
Protein modification and trafficking
Protein modification and trafficking

... asparagine residue of a target protein having the sequence Asn-x-Ser/Thr, where X is any amino acid. ...
A tour of proteomic resources
A tour of proteomic resources

... Q 9. The PLK1 and CHK2 clusters have two proteins they both interact with – which proteins are these? Open the Search Tab. This panel is specialised to give you an easy access to ontology search. So far you can search on 4 ontologies: Gene Ontology InterPro PSI-MI ChEBI Type: mitosis in the Ontolog ...
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Chapter_25_Metabolism

... Figure 25-2 Nutrient Use in Cellular Metabolism ...
Metabolic engineering Synthetic Biology
Metabolic engineering Synthetic Biology

... Improvement of production yield of artemisinic acid - Production level is too low to be economically feasible - Discovery of a plant dehydrogenase and a second cytochrome that provide an efficient biosynthetic route to artemisinic acid, with fermentation titres of 25 g/L of artemisinic acid by yeas ...
LKB1 and Peutz-Jeghers Syndrome
LKB1 and Peutz-Jeghers Syndrome

... Other features of the protein suggest mechanisms of localization and regulation ...
Gene Section ESRRG (estrogen-related receptor gamma) Atlas of Genetics and Cytogenetics
Gene Section ESRRG (estrogen-related receptor gamma) Atlas of Genetics and Cytogenetics

... serine 19 has recently been shown to direct subsequent SUMOylation at a nearby lysine (residue 14), and that this series of post-translational modifications is in fact inhibitory for receptor transcriptional activity (Vu et al., 2007). While ERRgamma lacks a serine residue in this position, in March ...
a double membrane bound organelle found in the cytoplasm of cells
a double membrane bound organelle found in the cytoplasm of cells

... all cells through a series of enzyme-controlled reactions called respiration. b. The energy released from the breakdown of glucose is used to generate ATP from ADP and phosphate. The chemical energy stored in ATP can be released by breaking it down to ADP and phosphate. This energy can be used for c ...
4 slides pdf
4 slides pdf

... Unique sequence of amino acids in protein is determined by order of nucleotide bases in gene. Protein’s 3-D structure is critical to its function: • shape and function of protein is determined by amino acid sequence (primary structure) • 3-D results from interactions between amino acid side chains ...
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ppt

... Quaternary structure: interactions between different polypeptide chains in proteins composed of more than one polypeptide RNase ...
Chapter 9_ objectives
Chapter 9_ objectives

... Write the summary equation for cellular respiration. Write the specific chemical equation for the degradation of glucose. ...
doc Midterm with answers
doc Midterm with answers

... His, Leu, Met. The native peptide was incubated with 1-fluoro-2,4-dinitrobenzene (FDNB) (Sanger Method) and then hydrolyzed; 2,4-dinitrophenylglycine was identified by HPLC. When the native peptide was exposed to Pepsin (Cleavage point at amino side of Phe, Trp, Tyr), a pentapeptide, a dipeptide and ...
Compartmentation in plant metabolism
Compartmentation in plant metabolism

... the fractions is needed to check that all of the activity in the initial cell lysate is recovered after fractionation. This is particularly important where an enzyme is found in more than one compartment and the isoforms from different compartments show differential stability. A limitation of classi ...
chapt03_HumanBiology14e_lecture
chapt03_HumanBiology14e_lecture

... cells; they channel proteins of the plasma membrane fuse, allowing easy movement between adjacent cells. ...
8.Homeostatic Mechanisms
8.Homeostatic Mechanisms

... (read pages 113-119 for other systems) ...
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Biochemical cascade

A biochemical cascade (or a signaling pathway) is a series of chemical reactions which are initiated by a stimulus (first messenger) acting on a receptor that is transduced to the cell interior through second messengers (which amplify the initial signal) and ultimately to effector molecules, resulting in a cell response to the initial stimulus. At each step of the signaling cascade, various controlling factors are involved to regulate cellular actions, responding effectively to cues about their changing internal and external environments.
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