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Cell Cycle Regulation
Cell Cycle Regulation

... unspecialized at this point and known as Embryonic. These cells all undergo certain conditions that make them specialized. ...
Reading Guide for Week 6
Reading Guide for Week 6

... Our bacteria have now established themselves in our host’s body by adhering and growing through binary fission. Now let’s study how our body fights back (immunity) and how bacteria and viruses counterattack by causing disease (pathogenesis). In this week’s reading you will learn about: 1. Eukaryotic ...
7-2.1 - S2TEM Centers SC
7-2.1 - S2TEM Centers SC

... In 5th grade (5-2.1), students recalled that the smallest unit of life was the cell and identified its major structures (including cell membrane, cytoplasm, nucleus, and vacuole). In 6th grade (6-2.1), students summarized the characteristics that all organisms share (including the obtainment and use ...
101 Things to Know About the
101 Things to Know About the

... chromosome replicates and forms sister chromatids. These sister chromatids join together, a process called synapsis, having a total of 4n the normal number of chromosomes. After this, they align at the equator of the cell and then tear apart into two different cells. Meiosis 2 begins with the alignm ...
The cytoskeleton The cell surface and junctions
The cytoskeleton The cell surface and junctions

... Microfilaments and motility (Fig.6.27) (a) In muscle cells, actin filaments (orange) lie parallel to thick myosin filaments (purple). Myosin acts as a motor molecule by means of arms that "walk" the two types of filaments past each other. The teamwork of many such sliding filaments enables the entir ...
Caffeine May Kill Skin Cancer Cells
Caffeine May Kill Skin Cancer Cells

... • New study discovers that caffeine may help kill off human cells damaged by UV light (major trigger of skin cancer) • The study only applies to non-melanoma skin cancers, which do not metastasize or cause death in many cases • The study of more than 90,000 Caucasian women found that with every cup ...
Name
Name

... Living cells maintain a (1) __________________ by controlling materials that enter and leave. Without this ability, the cell cannot maintain (2) _____________and will die. The cell must regulate internal concentrations of water, (3) ______________________, and other nutrients and must eliminate wast ...
PLANTS
PLANTS

... • Stimulate cell division and elongation in stems and roots • Regulate cell expansion during photo- and ...
Excretary System - Virtual Medical Academy
Excretary System - Virtual Medical Academy

... capillaries. This by diffusion or active transport.  Maximum amount of re-absorption take place in proximal tubule. Tubular secretion:  Proceeds at the tubular wall but in opposite direction of reabsorption.  Cell making up the wall accept solutes from the peritubular capillaries, then secrete th ...
100
100

... This occurs when a cell actively pumps a molecule across its membrane. ...
UNIT 6 The Human Body Unit Exam
UNIT 6 The Human Body Unit Exam

... 28. The diagram below shows changes that a butterfly undergoes as it develops from an egg ...
Cell Physiology [PPT]
Cell Physiology [PPT]

... all plant and fungal cells and some protist, animal and bacterial cells. Vacuoles are essentially enclosed compartments which are filled with water containing inorganic and organic molecules including enzymes in solution , though in certain cases they may contain solids which have been engulfed. Fun ...
Chapter 6 A Tour of a Cell - Christopher Dock Mennonite
Chapter 6 A Tour of a Cell - Christopher Dock Mennonite

... network of fibers extending throughout the cytoplasm  Straight, hollow tubes of proteins that give rigidity, shape, and organization to a cell are called microtubules ...
Class Notes
Class Notes

... across cell membranes does not require the cell to use energy. A special name for diffusion of water! Water molecules (fast and small) pass through the cell’s selectively permeable membrane The solute molecule is too large to pass -- only the water diffuses until equilibrium is reached. Large molecu ...
Lab 4-The Cell
Lab 4-The Cell

... Hint: If you want to get a “jump” on this lab feel free to complete the tables on pages 4 and 5 prior to coming to lab. Your textbook will help you with this! ...
12.1: Blood and its Components
12.1: Blood and its Components

... Red blood cells, or erythrocytes, have no nucleus. Each contains approximately 280 million molecules of Hemoglobin, which transports oxygen in the blood. White blood cells, or leukocytes, help fight infection by destroying pathogens. Platelets, or thrombocytes, are fragments of cells that play a key ...
A theory on the Origins of Eukaryotic Cells
A theory on the Origins of Eukaryotic Cells

... both she and the theory were ridiculed by mainstream biologists for a number of years. Thanks to her persistance, and the large volumes of data that support this hypothesis gathered by her and many other scientists over the last 30 years, biology can now offer a plausible explanation for the evoluti ...
Cell Membrane
Cell Membrane

... **Plant cells don’t shrink b/c of rigid cell wall  cell membrane pulls away from cell wall** ...
The Cell Membrane
The Cell Membrane

... The cell membrane is often described as a fluid mosaic since it is made up of many different molecules and it is flexible, not rigid. ...
Systems of the Human Body Study Guide
Systems of the Human Body Study Guide

... ___________________ in it. 10. The left side of the heart pumps blood to the _______________. This blood is full of ________________. 11.The heart is divided into 4 ______________________. 12.______________________ is the process that breaks food into forms that your cells can use. 13.Digestion begi ...
Big Idea 14 - Leon County Schools
Big Idea 14 - Leon County Schools

... • Students will identify, describe, and/or explain the components of cell theory. • Students will describe how cells undergo similar processes to maintain homeostasis. Content Limits • Items will assess neither scientists who contributed to the cell theory nor the historical development of the cell ...
1 - West Ada
1 - West Ada

... Stomach – digests food using acids Small intestine – absorbs nutrients Large intestine – reabsorbs water And others ...
Animal Kingdom: Comparative Anatomy
Animal Kingdom: Comparative Anatomy

... Salamander ...
Physiology vs. Metabolism - Gene Ontology Consortium
Physiology vs. Metabolism - Gene Ontology Consortium

... that is the key factor lower ratio by reducing insulin or increasing glucagon Bottom line is this is happening on a much higher level than a single cell ...
File - Team 6
File - Team 6

... All living things have _____________________, the basic unit of an organism. Most organisms have only ___________________. Most cells are so small they cannot be seen without a ___________________________. What are cell made of? Cells are surrounded by an outer structure called a ___________________ ...
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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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