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What are the three main parts of the cell?
Plasma membrane, Cytoplasm and Nucleus
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Any material dissolved in a fluid is called_____. ex ) gases, nutrients and ions dissloved in body fluid.
Solute
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Liquid portion of cytoplasm that consists mostly of water plus dissolved solutes and suspened particles. (fluid inside the cell)
Interacellular Fluid
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Lipid- soluble substances that move across memebranes by _______ through the lipid bilayer include oxygen, carbon dioixde and nitrogen gases.
Simple diffusion
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What is the most important transport pump in the plasma memebrane of cells?
Sodium- Potassium pump
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The Plasma memebrane allows some substances to move into and out of the cell but restricts the passage of other substances this is known as ________.
Selective Permeability.
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_____ is a differnce in concentration between two different areas for ex. outside of cell vs. inside of cell.
Concentartion Gradient
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What is called plasma in blood vessels but called lymph in lymphatic vessels and is known as interstitial fluid between the cells of tissues.
Extracellular Fluid
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Diffusion is a ______ process
Passive process
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____ is a small round sac formed by budding off from an existing membrane.
Vesicle
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What is made up of lipids and protients and spearates the internal and exrenal environment of the cell?
Plasma memebrane
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____ is when a substance moves down its concentration gradient through the membrane using only its own energy of motion.
Passive Process
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What is the name of the first step that occurs in the nucleus ?
Transcription
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What type of diffusion involves ion channels ?
Facilitated Diffusion
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What are the two main types of transport in vesicles between a cell and the extracellular fluid that surround it.
Endocytosis and exocytosis
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Everything between the nucleus and plasma membrane which consists of Cytosol and Organelles is known as ________.
Cytoplasm
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____ ATP is used to push the substance through the membrane up against its concetration gradient.
Active Process
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What are the names of the 4 phases in mitosis?
Interphase, Prophase, Anaphase and Telophase.
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____ a passive proccess in which there is a net movment of water through a selectively permeable memebrane.
Osmosis
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The site of most ATP production also known as the powerhouses of the cell are its _________
Mitochondria
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What is the largest organelle that contains the genes and is known as the control center of the cell ?
Nucleus
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______is the fluid that solutes are dissolved in. ex) water.
Solvent
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During protein synthesis______ takes place in the cytoplasm
Translation
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In a __________ solution water molecules enter the cell by osmosis faster then they leave.
Hypotonic
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_____ is the division of the cytoplasm into two cells.
Cytokinesis
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