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Living Cells
Living Cells

... 16. Chloroplasts have no means of independent movement, yet they can be seen moving in the Plant’s leaf cells. Explain this observation. 17. What pigment is contained within the chloroplasts? 18. What is the function of the chloroplasts? 19. What do you think the purpose of the movement of the chlor ...
Simplified microbiology
Simplified microbiology

MCAT Biology and Biochemistry Review Expanded Coverage on
MCAT Biology and Biochemistry Review Expanded Coverage on

I. CYTOPLASM A. The cytoplasm is thick! B. It contains nucleoid
I. CYTOPLASM A. The cytoplasm is thick! B. It contains nucleoid

... 3. Multiple sugar chains are ___________________ by amino acids ...
Fall 2011 Research Summary
Fall 2011 Research Summary

... sacrificed adult rats. I initially sacrificed three male, adult rats and cultured their cardiomyocytes, but due to improper sterile technique, the cells cultures became contaminated. This occurred a second time, as well. However, a third attempt at surgically removing the adult rats’ hearts resulted ...
Cell Membranes
Cell Membranes

...  The behaviour of membranes, for example how they reseal themselves when punctured with a fine needle, led to the idea that they are not rigid, but more like a fluid  Monolayer or bilayer-when the expected total area of a monolayer of cell membrane was estimated for a particular cell, it turned ou ...
Cell Transport
Cell Transport

... How is a window screen similar to a cell membrane? 1. What are some things that can pass through a window screen? 2. What are some things that cannot pass through a window screen? Why is it important to keep these things from moving through the screen? 3. The cell is surrounded by a cell membrane, w ...
Chapter 3 Vocabulary
Chapter 3 Vocabulary

... A membrane that surrounds the cell and acts as a barrier between the Cell membrane inside of the cell and the cell’s environment. Pg 63 ...
Histology
Histology

... *use photomicrograph photo for drawing *Labels - use straight lines to the right of drawing *Title and magnification should be on top of all drawings *2 drawings per page (half page each drawing) *include where in the body tissue is found ex. lungs ...
Cell_Structure_Function.d oc
Cell_Structure_Function.d oc

...  leptospira interrogans - a zoonotic disease transmitted from dogs, livestock, and wild mammals. The organisms can establish a commensal relationship with many animal hosts, persisting in the renal tubules without producing disease or causing pathologic changes in the kidney. From here they are con ...
cell?? - Excellence Gateway
cell?? - Excellence Gateway

... The ER is the site of the synthesis of many substances in the cell and so provides a separate area in which this takes place. The cavities also function as a transporting system - substances can move through them from one part of the cell to another. There are 2 types of ER - rough (RER) and smooth ...
Comparing Prokaryotic and Eukaryotic Cells
Comparing Prokaryotic and Eukaryotic Cells

... bacterial cell produced by certain gram-positive Bacteria. • Endospore formation leads to a highly dehydrated structure that contains essential macromolecules and a variety of substances such as calcium dipicolinate and small acid-soluble proteins, absent from vegetative cells. • Endospores can rema ...
Plasma Membrane
Plasma Membrane

... water leaves the cell. If severe enough, the cell shrivels and dies (plasmolysis) ...
Bacteria Powerpoint MAIN
Bacteria Powerpoint MAIN

...  Cell membrane  Cell wall(s)  DNA (and sometimes a second piece of DNA called a PLASMID) ...
Protozoans - DoralBio8
Protozoans - DoralBio8

... Protazoans can caused series disease like malaria and African sleeping sickness Malaria is one of the most dangerous sickness 300-500 million people suffer of Malaria, and 2 million die from it every year Malaria is an infectious blood disease transfer by ...
Abstract - BMB Reports
Abstract - BMB Reports

... The ubiquitin-proteasome system and the autophagy lysosome system are the two major protein degradation machineries in eukaryotic cells. These two systems coordinate the removal of unwanted intracellular materials, but the mechanism by which they achieve this coordination is largely unknown. The ubi ...
Plant or Animal - Science4Inquiry.com
Plant or Animal - Science4Inquiry.com

Cell Analogy Project
Cell Analogy Project

... Provide an introductory and conclusive write up to summarize your points. The Presentation 1. Think of one part of the city for each cell organelle. It would be a good idea to line up a two-column chart with the organelle on one side and the city part on the other. This will help organize your ideas ...
Cells – the basic unit of life - Innovate Manhattan Science Site
Cells – the basic unit of life - Innovate Manhattan Science Site

... • Organelles - small structures inside a cell with specific functions. ...
Cell Design Studio Highlight Projects - Sigma
Cell Design Studio Highlight Projects - Sigma

... to engineer a solution to this problem by tagging each of these genes with a fluorescent protein, so their subcellular localization could be monitored in living cells. We also placed a luciferase reporter under the control of the endogenous Cyclin D1 promoter to act as a functional downstream readou ...
A View of a Cell
A View of a Cell

... Structure Cilia-many short hair-like projections that move in a wave motion Flagella-longer projections that use a whiplike motion ...
SC B- 2.5: Explain how active, passive, and facilitated
SC B- 2.5: Explain how active, passive, and facilitated

... cross the cell membrane substance still moving from side with higher concentration  side with lower concentration example: sugars move into cells by facilitated diffusion ...
Name - OnCourse
Name - OnCourse

... B. Particles tend to move from high concentration to lower concentration. C. Particles move within channel proteins that pass through cell membranes. D. Particles tend to move more slowly than they would be expected to move. For Questions 5–7, match the situation with the result. Write the letter of ...
NOTES 2.1 CELL STRUCTURE
NOTES 2.1 CELL STRUCTURE

... Animals must eat their food because they cannot photosynthesize. Animal cells may have several small vacuoles, or none at all. ...
How do materials move across the cell membrane?
How do materials move across the cell membrane?

... Movement into and out of the Cell Diffusion: the main method by which small molecules move across the cell membrane. Molecules move from an area of higher concentration to lower concentration. Osmosis is the diffusion of water molecules. ...
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Extracellular matrix



In biology, the extracellular matrix (ECM) is a collection of extracellular molecules secreted by cells that provides structural and biochemical support to the surrounding cells. Because multicellularity evolved independently in different multicellular lineages, the composition of ECM varies between multicellular structures; however, cell adhesion, cell-to-cell communication and differentiation are common functions of the ECM.The animal extracellular matrix includes the interstitial matrix and the basement membrane. Interstitial matrix is present between various animal cells (i.e., in the intercellular spaces). Gels of polysaccharides and fibrous proteins fill the interstitial space and act as a compression buffer against the stress placed on the ECM. Basement membranes are sheet-like depositions of ECM on which various epithelial cells rest.The plant ECM includes cell wall components, like cellulose, in addition to more complex signaling molecules. Some single-celled organisms adopt multicelluar biofilms in which the cells are embedded in an ECM composed primarily of extracellular polymeric substances (EPS).
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