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Biology is a science is built on three simple but very important ideas
Biology is a science is built on three simple but very important ideas

... What do cells look like? Use the microviewers to observe some basic cell structure including cells of your body! Set 58 Microviewer slide – CELL STRUCTURE (read through the slide pamphlet as you observe the slide and fill in the blanks below): In the early part of the 19th century, scientists conclu ...
CH 4 Notes - Haiku Learning
CH 4 Notes - Haiku Learning

... a) organelles: intracellular bodies that perform specific functions for the cell (little organs) b) plants, animals, fungi and protists c) multicellular and unicellular d) larger and complex ...
Lesson 1A - Living Things
Lesson 1A - Living Things

... Primary Differences Between Plant and Animal Cells Plant cells: • Produce their own food in the chloroplasts by a process called photosynthesis to use the energy of sunlight to convert carbon dioxide and water into food. The chloroplasts contain chlorophyll that gives many plants their green colour ...
Chapter 4 Notes
Chapter 4 Notes

... (a) Microtubules are manufactured in the cell by adding dimers of α-tubulin and β-tubulin to an end of the hollow cylinder. Notice that the cylinder has polarity. The end shown at the top of the figure is the fast-growing, or plus, end; the opposite end is the minus end. Each turn of the spiral requ ...
Biology Daily Lesson Plan
Biology Daily Lesson Plan

... SB1: Students will analyze the nature of the relationship between structure and functions in living cells. (A): Explain the role of cells for both prokaryotic and eukaryotic cells, including the cell membrane, in maintaining homeostasis. (D): Explain the impact of water on life processes (i.e., osmo ...
Chapter 6 Cells
Chapter 6 Cells

... Exocytosis (above left) expels molecules from the cell that are too large to pass through the plasma membrane. Endocytosis (below left) brings large molecules into the cell and packages them in vesicles. ...
The Cell
The Cell

... • Microfilaments are solid rods about 7 nm in diameter, built as a twisted double chain of actin subunits • The structural role of microfilaments is to bear tension, resisting pulling forces within the cell • They form a 3-D network called the cortex just inside the plasma membrane to help support t ...
The Cell
The Cell

... - The nucleus contains nearly all the cell’s DNA: the instructions for making everything ...
Interactive Review CHAPTER REVIEW Reviewing
Interactive Review CHAPTER REVIEW Reviewing

Osmosis Diffusion
Osmosis Diffusion

Cell Membrane Transport
Cell Membrane Transport

... concentration of solutions, so the water has to.  We describe the solutions that cells are in as either hypotonic, isotonic, or ...
Document
Document

... properties of a stem cell is that it does not have any tissue-specific structures that allow it to perform specialized functions. Stem cells are undifferentiated biological cells that can differentiate into specialized cells and can divide (through mitosis) to produce more stem cells Stem cells can ...
plant immunology lecture 5,6
plant immunology lecture 5,6

... water moves upward from tracheid to tracheid through pit pairs, thus preventing large gas bubbles from forming and thus no ...
Cell Observation Lab Activity
Cell Observation Lab Activity

... Introduction: Living things are made of cells. All cells have parts that do certain jobs. Cells have an outer covering called the cell (plasma) membrane. The cell membrane controls what enter/exits a cell. The clear jellylike material inside the cell is the cytoplasm. The nucleus is the control cent ...
Cellular Transport - pams-hoey
Cellular Transport - pams-hoey

... Energy is required as molecules must be pumped against the concentration gradient. Proteins that work as pumps are called protein pumps. ...
Chapter 7
Chapter 7

... An experiment is designed to study the mechanism of sucrose uptake by plant cells. Cells are immersed in a sucrose solution, and the pH of the solution is monitored with a pH meter. Samples of the cells are taken at intervals, and the sucrose in the sampled cells is measured. The measurements show t ...
File - Mr. Downing Science 10
File - Mr. Downing Science 10

... together, proposed that all plant and animals are composed of cells described cells as the basic unit of life for all organisms ...
Cellular Organelles
Cellular Organelles

... the cell. The small pieces of glucose are entered into the Krebs cycle in the mitochondria. The Krebs cycle separates out the hydrogen, which goes to the electron transport chain. Waste carbon dioxide is also separated out in the Krebs cycle. The CO2 is then released from the mitochondria. Electrons ...
Slide 1 - MisterSyracuse.com
Slide 1 - MisterSyracuse.com

... 18. Which condition is necessary for enzymes and hormones to function properly in the human body? A. These chemicals must have a specific shape. B. These chemicals must be able to replicate. C. Body temperature must be above 40°C. D. Body pH must be above 10. _________ 19. Which order of metabolic p ...
LOGO
LOGO

... Decision on the Oscillator as main project; can use other ideas as further developments ...
This Activity as a
This Activity as a

... cytoplasmic streaming. What do you think its function is? Are the chloroplasts of the same cell moving in the same direction? Are the chloroplasts of all the cells in the field of view all moving in the same direction? ...
Counting Chloroplasts
Counting Chloroplasts

... cytoplasmic streaming. What do you think its function is? Are the chloroplasts of the same cell moving in the same direction? Are the chloroplasts of all the cells in the field of view all moving in the same direction? ...
No Slide Title
No Slide Title

... • Connection Between Photosynthesis and Respiration During photosynthesis, cells take in carbon dioxide and release oxygen. During cellular respiration, cells use oxygen to break down glucose and release energy and carbon dioxide. • Fermentation When muscles can’t get the oxygen for cellular respira ...
Bonding Basics
Bonding Basics

... • A bond where atoms share ...
Cell Transport Notes - Fort Thomas Independent Schools
Cell Transport Notes - Fort Thomas Independent Schools

... • Plant cells placed in salt water shrink, losing turgor pressure ~ plasmolysis. • Blood cells in hypertonic solutions will lose liquid ~ plasmolysis. ...
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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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