Term
| Who was the first person to describe and observe microscopic organisms and living cells? |
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Definition
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Term
| Cell Theory= 1.)______________2.)________________________3.)_______________________- |
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Definition
1.)Cells are the basic unit of life
2.)All organisms are made of one or more cells
3.)All cells arise from pre-existing cells. |
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Term
| How many types of cells does a human body contain? |
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Definition
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Term
| Three basic features of all cells- |
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Definition
1.) nuclear material
2.) cell membrane
3.) cytoplasm (ribosome) |
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Term
prokaryotic cells include:
eukaryoric cells include: |
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Definition
1.) bacteria and archaea
2.) Animalia, Plantae, Fungi, and Protista |
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Term
| 3 basic features of all cells |
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Definition
1.) nuclear material
2.) cell membrane
3.) cytoplasm (ribosomes) |
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Term
1.) jellylike mixture that consists mostly of water
2.) suspended in the cytosol, carry out functions of cell |
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Definition
1.) cytosol
2.) organelles |
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Term
| only organelle that does not have a membrane around it; floats in cytoplasm and ER; it is a ___________ |
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Definition
| ribosome; protein synthesis |
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Term
| produces lipids and detoxifies poisons and drugs; helps muscles contract |
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Definition
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Term
| a series of flattened, stacked, membrane sacs; it modifies, sorts, packages, and secretes molecules |
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Definition
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Term
| this organelle is found in the nucleus |
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Definition
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Term
| directs cells activities, acts as the control center of the cell; surrounded by a ____________ layered membrane |
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Definition
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Term
| this is a stringy form of chromosomes |
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Definition
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Term
| network of membrane sacs and tubules; two different types |
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Definition
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Term
| Smooth ER does contain ribosomes, and the Rough ER does not. TRUE OR FALSE? |
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Definition
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Term
| products antibodies and involved in membrane producion |
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Definition
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Term
| made from old pieces of the golgi; bag of hydrolytic enzymes |
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Definition
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Term
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Definition
| the self destruction of cells |
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Term
| saclike structure; used to store water and ions |
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Definition
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Term
| double membrane structure; out membrane is smooth while the inner is folded. these folds are called.... |
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Definition
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Term
| what does a mitochondria do? |
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Definition
| it converts glucose to ATP and cellular respiration center |
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Term
| pigment containing organelles |
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Definition
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Term
| straight hollow rods that support and help move organelles around the cell; can form centrides |
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Definition
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Term
| this controls what enters and leaves the cell; acts as a gate |
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Definition
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Term
| Cell membranes are made mostly of ____________________ |
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Definition
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Term
| nonpolar lipid tails-----polar lipid tails--------- |
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Definition
1. hydrophobic
2. hydrophilic |
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Term
| proteins attached to the surface of the cell membrane but no embedded |
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Definition
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Term
| proteins embedded in the phospholipid bilayer; many different kinds |
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Definition
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Term
| proteins that make recognition sites and serve as ID badges so other cells can recognize it |
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Definition
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Term
1.)proteins that allow other molecules to attach
2.) some act as channels or pores thru which molecules pass through |
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Definition
1.) receptor
2.) transport |
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Term
| proteins in or on the cell membrane from patterns or......... |
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Definition
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Term
| the net movement of molecules form an area of greater concentration to an area of lower concentration |
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Definition
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Term
| the difference between the concentration of a particular molecule in one area and the concentration of it in the adjacent area |
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Definition
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Term
| Diffusion always occurs down or up a concentration gradient? |
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Definition
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Term
| the diffusion of water across a semi-permeable membrane |
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Definition
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Term
| Water moves toward the more __________ solute area, while the solute tends to move the ____ concentrated solute area |
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Definition
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Term
| when the concentration of solute is greater outside the cell |
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Definition
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Term
| when the concentration of solute is lower outside the cell than inside |
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Definition
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Term
| water moves where there is less solute. True or False? |
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Definition
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Term
| when the concentration is equal on the inside and outside of a cell |
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Definition
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Term
| Is energy required for Passive Transport? why or why not? |
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Definition
| yes, because it is going down the concentration gradient |
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Term
| the paternal and maternal chromosomes |
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Definition
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Term
| different versions of homologs |
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Definition
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Term
| pictures of homologous chromosomes lined up for the longest to shortest, and sex chromosomes at the end (x, y) |
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Definition
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Term
| process of replicating the nucleus; makes exact copies of the nucleus in preparation for cell division |
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Definition
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