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Unit 4 Notes
Unit 4 Notes

... Chemical signals are transmitted across the cell membrane. • Receptors bind with ligands and change shape. • There are two types of receptors. ...
Organelles Organized
Organelles Organized

... Clear, thick jelly-like material ...
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CHAPTER 3 NOTES – CELLS

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Intervention Cells and Reproduction Pack
Intervention Cells and Reproduction Pack

... 11. Leaves absorb _____________ energy for making food. 12. The reproducing part of a plant is the _____________. 13. The function of the _____________ is to attract insects for pollination. 14. The function of the _____________ is to digest (break down) food. 15. The function of the _____________ i ...
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Organelle Name: Nucleus - Fall River Public Schools
Organelle Name: Nucleus - Fall River Public Schools

... All over the cell, we’re finding lots of round containers filled with stuff. These must be vacuoles (vak-you-ohl). The vacuoles are large sacs within a cell that are used to store food, water and other important substances. Vacuoles often store raw materials the cell needs to live, like food (which ...
NAME: CELL STRUCTURE ANALOGY PROJECT This work packet
NAME: CELL STRUCTURE ANALOGY PROJECT This work packet

... In a far away city called Grant City, the main export and production product is the steel widget. Everyone in the town has something to do with steel widget making and the entire town is designed to build and export widgets. The town hall has the instructions for widget making. Widgets come in all s ...
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Hedgehog Learning. Copying permitted for purchasing campus only
Hedgehog Learning. Copying permitted for purchasing campus only

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Y7 Cells - Marshfields School
Y7 Cells - Marshfields School

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Inquiry into Life, Eleventh Edition
Inquiry into Life, Eleventh Edition

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Lecture 7: the cytoskeleton and cell movement

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BSC 1005L - MDC Faculty Web Pages
BSC 1005L - MDC Faculty Web Pages

... (d) occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated (e) proceeds until equilibrium is reached 3. Facilitated diffusion across a biological membrane requires ______ and moves a substance ______ its concentration gradient. (a) energy a ...
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... areas to realize the full potential of the technology. Bicycle Therapeutics is headquartered in Cambridge, U.K., with U.S. operations in Cambridge, Massachusetts. For more information, visit: www.bicycletherapeutics.com. We have a new opportunity for a Cell Culture Research Associate This candidate ...
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Chapter 1 Structure of Living Things

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Slide ()
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Biology Reporting Category 1: Cell Structure and Function

... Controls what molecules are allowed in and out of the cell. Made of a double layer of phospholipid molecules that form semi-permeable membrane around cell. Help with cell division in animal cells The solution that fills the cell. Contains lots of proteins and dissolved ions that are involved in many ...
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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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