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Warm Up
Warm Up

... Warm Up 1. What are the 3 main regions of a human cell? 2. How does the human body maintain homeostasis? 3. What are the 4 biomolecules? 4. List the levels of structural organization from simplest to most complex. How many have we discussed so far? ...
Anatomy of Cells
Anatomy of Cells

... • “Typical” cells do not actually exist in the body • Cell are specialized structure to carry out specialized functions (see Table 3-1, pg. 73) – Nerve cells: have long extension  transmit nerve impulses throughout the body – Muscle cells: contain fibers that slide together  contracts/movement of ...
WHAT LIMITS CELL SIZE
WHAT LIMITS CELL SIZE

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Cells and Organelles
Cells and Organelles

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Cell Structure and Function
Cell Structure and Function

... • Breaks down high-energy organic molecules (cellular respiration) to store in chemical bonds as chemical potential energy. • In addition to glucose, it can also use lipids and proteins • The released energy is stored in the form of ATP ...
Onion Root Cell Virtual Lab
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Graduate Program in Molecular Cell Biology:
Graduate Program in Molecular Cell Biology:

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6. The Cell membrane - NCEA Level 2 Biology
6. The Cell membrane - NCEA Level 2 Biology

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... parts: a membrane, cytoplasm and a nucleus. The plant cell in addition has a wall surrounding the membrane. surrounds the cytoplasm of this cell because it is very thin and lies flat against the wall. A-Tiucleus is more clearly seen in the cell at B. C points to a bundle of tubular cells which form ...
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Basic features of all cells
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Mor-ganelles - JhaveriChemBioWiki

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Microorganisms as Cells
Microorganisms as Cells

... are the nucleus or nucleoid, where the genetic information, deoxyribonucleic acid (DNA), needed to make more cells is stored, and the cytoplasm, where the machinery for cell growth and function is present. All cells are made up of four chemical components: proteins, nucleic acids, lipids, and polysa ...
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Types of Plant Cells

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Where is DNA in prokaryotes

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handout: 7.2 reading guide
handout: 7.2 reading guide

... 17) a) Which organelle captures the energy from sunlight? b) Which organisms contain this organelle? 18) a) Which organelle is responsible for releasing stored chemical energy? b) TRUE or FALSE (circle one). Only animal cells have mitochondria within their cells. 19) Which parent do you inherit all ...
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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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