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The essence of multicellularity - Introduction to concepts of gene
The essence of multicellularity - Introduction to concepts of gene

... stable, and do not gradually “drift” away into one another? The main reason why an egg can so robustly develop into a multicellular organism with distinct and stable cell types is that gene expression is regulated. Often the expression of one gene is regulated by the gene product of another gene. Th ...
PPT
PPT

... Discovery of regulatory pathways ...
The Cell, 5e
The Cell, 5e

... • Stromal cells secrete growth factors • Cytokines signal via membrane receptors ...
Metabolic Crosstalk: Interactions between the
Metabolic Crosstalk: Interactions between the

... The phenylpropanoid pathway is big in plants—particularly in trees, which can get big in no small part because of the lignin produced through this pathway. In addition to the huge carbon sink represented by lignin (reviewed in Eudes et al., 2014), the phenylpropanoid pathway also produces important ...
Describe the structure/ function of blood cell types
Describe the structure/ function of blood cell types

... Bone marrow stromal cells secrete growth factors Hematopoietc stem cells respond ...
Section Slides
Section Slides

... • Large enough that ions and small molecules (e.g. metabolites) can freely diffuse through them, but proteins and ...
Lecture # 7 Pentose Phosphate Pathway
Lecture # 7 Pentose Phosphate Pathway

... The pentose pathway is a shunt. • The pathway begins with the glycolytic intermediate glucose 6-P. • It reconnects with glycolysis because two of the end products of the pentose pathway are glyceraldehyde 3-P and fructose 6-P; two intermediates further down in the glycolytic pathway. • It is for th ...
7-JF-S`15
7-JF-S`15

... Regulation of metabolic pathways In Feedback Inhibition, high concentration of the product of a pathway controls the rate of its own synthesis by inhibiting an early step Flux through the pathway is regulated depending on the concentration of Product (K below) In Allosteric Activation, high concent ...
Chapter 3b
Chapter 3b

... • Cell to cell • Gap junction • Tight junction • Anchoring junction ...
Table S3 The genes modulated after administration of EV71
Table S3 The genes modulated after administration of EV71

... a gene expressed strongly in cortical glutamatergic neurons and as a regulator of radial neuronal migration; be associated with various diseases is crucial for molecular transport mediate the transport of newly synthesized lysosomal enzymes with an M6P recognition motif from the TGN to lysosomes ...


... • A metabolic pathway consists of several stages, each of which involves conversion of one metabolite to another. • Each step in the pathway is controlled by a specific enzyme. ...
Developmental Biology
Developmental Biology

... • The other important source of developmental information is the environment around the cell, especially signals from nearby embryonic cells • In the process called induction, signal molecules from embryonic cells cause transcriptional changes in nearby target cells • Thus, interactions between cel ...
Supplementary Materials and Methods
Supplementary Materials and Methods

... Two additional NSCLC microarray datasets were employed in this study to verify the identified gene predictors. One data set contained 25 NSCLC cell line and the other contained 96 primary NSCLC cases from Duke University. The validation cell lines and tumors were transcriptionally profiled with Affy ...
Exam 1 454 Study Guide
Exam 1 454 Study Guide

...  Identify the electron donor and acceptor, oxidizing agent, reducing agent, redox pair in an oxidation-reduction reaction.  Write oxidation-reduction reactions given the reduction potentials.  Identify sources of electron for oxidative phosphorylation.  Describe the organization of the mitochond ...
Human Systems
Human Systems

... a. produces enzymes that are help break down food b. produces a substance that neutralizes stomach acid c. produces hormones that regulate blood sugar ...
CO2 would move across a plasma membrane more quickly than
CO2 would move across a plasma membrane more quickly than

... an explanation for his condition? ...
Biology 1408 - Lone Star College
Biology 1408 - Lone Star College

Chapter 9 Signal Transduction and Cell Growth
Chapter 9 Signal Transduction and Cell Growth

... and functions of the cell by activating intracellular signal transduction proteins, and regulates gene expression through the relocation of intracellular signaling molecules to the nucleus. While a large number of physical and chemical stimuli exist in the environment, organisms respond only to part ...
Ratcheting the evolution of multicellularity
Ratcheting the evolution of multicellularity

... of a chain of Ub proteins [polyubiquitin (poly-Ub)] targets a substrate for destruction by complexes called proteasomes (1). But unanchored poly-Ub chains are emerging as key factors in multiple cellular responses, including innate antiviral pathways (2, 3). Such free chains can also activate the ag ...
Developmental Biology
Developmental Biology

... signals from nearby embryonic cells • In the process called induction, signal molecules from embryonic cells cause transcriptional changes in nearby target cells • Thus, interactions between cells induce differentiation of specialized cell types ...
REVIEW A STRUCTURAL APPROACH TO G
REVIEW A STRUCTURAL APPROACH TO G

... Guanine nucleotide binding proteins regulate a variety of physiological processes, including sensual perception, protein synthesis, hormonal regulation, vesicular and nuclear transport, cell growth and differentiation. They act as molecular mediators, cycling between inactive guanosine diphosphate ( ...
Study Guide for Exam 1 Dr. Osborne
Study Guide for Exam 1 Dr. Osborne

... The process of respiration is carried out by all living cells, all the time B. Anaerobic respiration (fermentation) I. Anaerobic respiration does not require air or oxygen ...
Mitochondria Mitochondria are the organelles that function as the
Mitochondria Mitochondria are the organelles that function as the

Analysis of Binary Relations and Hierarchies of Enzymes in the
Analysis of Binary Relations and Hierarchies of Enzymes in the

Mitochondrial Mechanisms of Photobiomodulation in Context of New
Mitochondrial Mechanisms of Photobiomodulation in Context of New

... therefore on ATP synthesis), which can be regulated by irradiation. Understanding of the multiple role of ATP in cellular metabolism will also provide a better appreciation of the cellular and molecular mechanisms of LLLT. A recent review16 indicates that laboratories worldwide are now racing to tur ...
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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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