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training handout - Science Olympiad
training handout - Science Olympiad

... o In their negative role, rafts may spatially segregate interacting components to block nonspecific pathway activation, or may directly suppress the activity of signaling proteins present in rafts. Proteins serve different functions ...
Chapter 19: Blood
Chapter 19: Blood

... • Calcium ions (Ca2+) and vitamin K are both essential to the clotting process ...
Intragenomic Spread of Plastid-Targeting
Intragenomic Spread of Plastid-Targeting

... on scaffold 826 may have further duplicated to scaffold 43, followed by an intramolecular recombination between their presequences that led to the loss of the fbaII gene on scaffold 43 (fig. 1C). This model does not explain why recombination between two non-homologous fba genes would take place, and ...
The chemical composition of cells - SandyBiology1-2
The chemical composition of cells - SandyBiology1-2

Enzymes & Energy
Enzymes & Energy

... Keeps intracellular glucose concentration low, favoring continued diffusion of glucose. Traps the glucose within the cell, as phosphorylated molecules cannot pass through the plasma membrane. ...
Title Scaffold proteins in mammalian MAP kinase
Title Scaffold proteins in mammalian MAP kinase

... The mitogen-activated protein kinase (MAPK) signaling pathway, which is conserved from yeast to humans, is activated in response to a variety of extra- and intracellular stimuli, and plays key roles in multiple cellular processes, including proliferation, differentiation, and apoptosis. The MAPK pat ...
Slide 1
Slide 1

... However, Wikipedia, class notes from other universities on the web, and the primary literature can lead you into substantial complications that your instructor chose to ignore. For example, there are five different versions of PFK2 with different sensitivities to insulin and glucagon regulation, and ...
IMBB researchers uncover a novel mechanism
IMBB researchers uncover a novel mechanism

... eukaryotic cells that also play pivotal roles in fundamental cellular processes. Alterations in mitochondrial number, morphology, and function heavily impact cellular metabolism, and critically influence organismal physiology, health and lifespan. Mitochondrial dysfunction is a major hallmark of age ...
Choose the response which best completes each of the following
Choose the response which best completes each of the following

... (5.) increase the activation energy for a given reaction 71. Mitosis occurs in all the following life cycle events EXCEPT (1.) gamete formation (2.) body cell replacement (3.) development (4.) growth (5.) wound healing 72. When a homozygous recessive organism is crossed with a heterozygous dominant ...
Reassembled Biosynthetic Pathway for Large
Reassembled Biosynthetic Pathway for Large

... multiple bacterial strains. In contrast, the superbug approach achieves the same goal with the use of only one plasmid and a single strain. All the enzymes essential for oligosaccharide synthesis, including the glycosyltransferases, and the sugar ± nucleotide regeneration are in one E. coli strain. ...
The outer membrane of Borrelia
The outer membrane of Borrelia

... – Zambrano et al. INFECTION AND IMMUNITY, 2004, p. 3138–3146 ...
Lecture 3a - Membs and Transport
Lecture 3a - Membs and Transport

...  Used for cell-cell recognition  Often, doctors can tell if certain cells are normal or abnormal by their glycoproteins and glycolipids ...
Plant hormone receptors: new perceptions
Plant hormone receptors: new perceptions

Biology - H Hungary is already a member of EU system so you can
Biology - H Hungary is already a member of EU system so you can

... structure describes a phospholipid bilayer in which proteins can move about laterally within the membrane. Integral membrane proteins are at least partially inserted into the phospholipid bilayer. Peripheral membrane proteins are attached to the surface of the bilayer by ionic bonds. The two surface ...
8-30-16 Macomolecule Foldable Instructions
8-30-16 Macomolecule Foldable Instructions

... 1. Center and write the word MACROMOLECULE 2. List the 4 macromolecules 3. Define the term DEHYDRATION (CONDENSATION). Identify whether this type of reaction would be involved in an anabolic (building something) or catabolic (breaking something down) pathway. Then, tell whether the pathway you chose ...
Gluconeogenesis
Gluconeogenesis

... converted to glucose and sucrose and exported to other tissues for starch storage. • In some plant seeds, stored fats are converted to glucose and sucrose upon germination and used to make cell wall cellulose. Gluconeogenesis is the synthesis of glucose. ...
Computational protein design enables a novel one
Computational protein design enables a novel one

... chemicals. Many synthetic pathways to produce value-added chemicals from common feedstocks, such as glucose, have been constructed in organisms that lack one-carbon anabolic pathways, such as Escherichia coli or Saccharomyces cerevisiae (1–3); however, despite considerable effort, it has been diffic ...
E. coli
E. coli

... • The size of a bacterial cell is around 1 µm with a weight of 1 pg. • The interior of the cell is a viscous solution crowded with several molecular species • The cells are mostly composed of water and macromolecules with simple metabolites forming only a small fraction. • Typical concentrations of ...
Signal Transduction (Medical Biotechnology)
Signal Transduction (Medical Biotechnology)

... 1. I.1 Introduction, overview of extracellular signaling Soluble mediators transmit information through the extracellular space over various distances in cell-to cell communication. In local (short distance) cell signaling, some cells may be in direct contact with each other in order to communicate. ...
The Reduced Genome of the Parasitic Microsporidian
The Reduced Genome of the Parasitic Microsporidian

... any apparent mechanism to make ATP from glucose. This in turn suggests that E. bieneusi must be directly dependent on its host for both sugars (which it cannot make) and ATP. Intriguingly, the E. cuniculi genome encodes several ATP transporters possibly derived by horizontal gene transfer (Richards ...
Midterm Review
Midterm Review

... that Darwin developed? – Members of a population vary greatly in their traits – Traits are inherited from parents to offspring – All species are capable of producing more offspring than the environment can support – Many offspring doe not survive – Individuals whose inherited traits give them a high ...
Embo conference series: At the joint edge of cellular microbiology
Embo conference series: At the joint edge of cellular microbiology

... Kim Orth (University of Texas Southwestern Medical Center, Dallas) Interference with cellular signalling cascades by YOP proteins ...
Protein expression during exponential growth in 0.7 M NaCl medium
Protein expression during exponential growth in 0.7 M NaCl medium

... met. The two proteins Ssal p and Ssa2p (belonging to the HSP 70 family in S. cerevisiae) [19] displayed a slight salt response during adaptation to NaCl [8], while we here observed no difference in expression during exponential growth. The HSP70 homologues Ssblp and Ssb2p have been shown to be invol ...
"Introduction to Microbial Physiology". In: Microbial Physiology
"Introduction to Microbial Physiology". In: Microbial Physiology

... Membranes. The cytoplasmic membrane of both gram-positive and gram-negative cells is a lipid bilayer composed of phospholipids, glycolipids, and a variety of proteins. The proteins in the cytoplasmic membrane may extend through its entire thickness. Some of these proteins provide structural support ...
Binding
Binding

... Binding to the host endothelium is accomplished through the function of a common adhesion molecule found in two families of parasite ligands. EBL (erythrocyte binding ligand) family of erythrocyte invasion ligands and the var/PfEMP1 (P. falciparum erythrocyte membrane protein 1) family of cytoadhere ...
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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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