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A&P Chapter 3
Tri - Rivers School of Practical Nursing
| Question | Answer |
|---|---|
| Diffusion | Movement of molecules from an area of greater concentration to lesser concentration Example: exchange of O2 and CO2 in body |
| Mitosis | One cell - diploid chromosomes divide into 2 identical cells Essential for growth and tissue repair |
| lysosomes | Digestive Enzymes |
| Order of mitosis in order | Interphase Prophase Metaphase Anaphase Telophase |
| Mitochondria | Powerhouse of cell, main function is ATP, makes it's own DNA |
| Cilia | Sweep things in a particular direction |
| Endocytosis | Transports into cell |
| DNA rungs & pairings | A to T G to C |
| Phagocytosis | Cell Eating Example: WBC's |
| Cytokinesis | Cytoplasm divides - 2 cells |
| Microvilli | Small folds in cell membrane to increase surface area |
| Golgi Apparatus | Carbohydrates, Packaging |
| Mitosis Phase: Prophase | Condensing DNA in chromosomes |
| DNA triplet is A-T-C what is the corresponding mRNA triplet? | DNA - A,T,C mRNA - U,A,G |
| Centrioles | used in cell division |
| Pinocytosis | Cell Drinking |
| Meosis | Haploid number of cells - forms egg and sperm cells |
| When a hypertonic fluid is administered, how is the solute distributed intally? | pulls H2O from cells & other tissues |
| What are two solutes? | Na, K |
| Hypertonic Solution | concentration is higher than in cells, cells may die |
| When a hypertonic fluid is administered what could happen to the cells in the body? | cells may shrivel & die |
| When a hypertonic fluid is administered, where does the water move to & from? | capillaries take from tissues and other cells |
| Isotonic Solution | Concentration is equal to the cells, no fluid movement, no damage to cells |
| Hypotonic Solution | Concentration less than cells, cells may burst |
| Mitosis Phase: Interphase | DNA replication, growth phase, doubles everything |
| Facilitated Diffusion | Carrier & transporter enzymes move molecules across cell membranes |
| RNA rungs and pairings | A to U T to A C to G |
| Osmosis | movement of H2O through a semi - permeable membrane from a region of greater concentration of H2O to lesser of H2O |
| mRNA | messenger RNA - copy form multiplying |
| Mitosis Phase: Metaphase | Chromosomes line up on equator of cells |
| Haploid | Half - 23 Chromosomes |
| Primary Cilium | Single hair - antenna for cell |
| Mitosis Phase: Telophase | Reforms nuclear membrane |
| tRNA | brings amino acids from cytoplasm to the matching triplet on mRNA |
| Ribosomes | act as protein factories |
| Mitosis Phase: Anaphase | chromosomes split and go to each side of cell |
| Exocytosis | Transport of materials out of the cell in a vesicle |
| Filtration (passive transport) | Movement of H2O & dissolved substances from higher to lower pressure, does not require ATP |
| Active Transport | Requires ATP, movement of molecules from lesser to greater area of concentration |
| Flagella | Have small, thin, tain - such as sperm |
| Codon | The code for a single amino acid consists of 3 bases on the DNA |
| Diploid | 46 Chromosomes |
Created by:
aepnkbird
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