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make more cells
make more cells

... signals (hormones) & receptors ...
Non-specific Defenses
Non-specific Defenses

... • Complement and Interferon • Complement: Has several different functions. – 20 different proteins found in normal serum. – Punch holes in membranes of pathogens, releasing cellular contents. Called the Membrane Attack Complex or MAC. – Contribute to development of inflammation. – Coat outside surfa ...
Cell Division
Cell Division

... The DNA that is in the nucleus of each cell is like the library of a small town. When the town is small, there are enough books for the residents to share. If the town population were to increase, there would be a shortage of books. So instead of growing larger, cells must reproduce. ...
Carbohydrates
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... Proteins 1. Contains Carbon, Hydrogen, Oxygen, and Nitrogen. 2. Amino Acids are the building blocks of proteins. 3. Proteins serve as structural materials, energy sources, hormones, and receptors on cell surfaces. 4. These cell receptors are specialized to bond to particular kinds of molecules. 5. ...
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... 2. Roundworms belong to the Kingdom ______________________ and the Phylum ___________________ 3. How might a person contract a tapeworm? ___________________________________________________ 4. Where does a parasitic tapeworm live in the body? [ blood / intestine / brain ] 5. Flatworms, such as the pl ...
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CH 1 Intro Worksheet
CH 1 Intro Worksheet

... bio- life (biosphere: all the environments on Earth that are inhabited by life) -logy the scientific study of a subject (biology: the scientific study of life) -ell small (organelle: a small membrane-enclosed body with a specialized function within a cell) ...
Biology Powerpoint Presentation Rubric
Biology Powerpoint Presentation Rubric

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ch_03 - HCC Learning Web

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Observing Plasmolysis in Elodea

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Cell Division - Biology Courses Server

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... 2. Introduction to cell theory: Explain to students that those microscopes are considered “technology” and helped make the discovery of cells a reality. Stress to students that this will be more of a “history” lesson and they will be learning about different scientists. You can talk about how these ...
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... the cytoplasm, their transport across the cell membrane, and their final polymerization. Eventually, penicillin-binding proteins catalyze covalent reactions that result in the extension, cross-linking between glycan strand, morphogenessis and eventual separation of the murein sacculus. ...
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... Pectins are complex polysaccharides that form the gel matrix of the primary cell wall and are abundant in the middle lamella that holds plant cells together. Their degree of methylesterification (DM) impacts wall strength and cell adhesion since unesterified pectin regions can cross-link via Ca2+ io ...
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Endomembrane system

The endomembrane system is composed of the different membranes that are suspended in the cytoplasm within a eukaryotic cell. These membranes divide the cell into functional and structural compartments, or organelles. In eukaryotes the organelles of the endomembrane system include: the nuclear membrane, the endoplasmic reticulum, the Golgi apparatus, lysosomes, vesicles, endosomes and the cell membrane. The system is defined more accurately as the set of membranes that form a single functional and developmental unit, either being connected directly, or exchanging material through vesicle transport. Importantly, the endomembrane system does not include the membranes of mitochondria or chloroplasts.The nuclear membrane contains two lipid bilayers that encompass the contents of the nucleus. The endoplasmic reticulum (ER) is a synthesis and transport organelle that branches into the cytoplasm in plant and animal cells. The Golgi apparatus is a series of multiple compartments where molecules are packaged for delivery to other cell components or for secretion from the cell. Vacuoles, which are found in both plant and animal cells (though much bigger in plant cells), are responsible for maintaining the shape and structure of the cell as well as storing waste products. A vesicle is a relatively small, membrane-enclosed sac that stores or transports substances. The cell membrane, is a protective barrier that regulates what enters and leaves the cell. There is also an organelle known as the Spitzenkörper that is only found in fungi, and is connected with hyphal tip growth.In prokaryotes endomembranes are rare, although in many photosynthetic bacteria the plasma membrane is highly folded and most of the cell cytoplasm is filled with layers of light-gathering membrane. These light-gathering membranes may even form enclosed structures called chlorosomes in green sulfur bacteria.The organelles of the endomembrane system are related through direct contact or by the transfer of membrane segments as vesicles. Despite these relationships, the various membranes are not identical in structure and function. The thickness, molecular composition, and metabolic behavior of a membrane are not fixed, they may be modified several times during the membrane's life. One unifying characteristic the membranes share is a lipid bilayer, with proteins attached to either side or traversing them.
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