Cell Function
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| Cells | show 🗑
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| Cell Theory | show 🗑
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| Plasma Membrane/Cell Membrane | show 🗑
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| Cytoplasm | show 🗑
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| show | Phospholipids lie in two distinct layers with hydrophobic tails on inside and hydrophilic heads on outside.
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| show | Movement of molecules from an area of high concentration to low concentration (down concentration gradient). EX: by moving across a lipid portion of membrane or passing through a channel protein of membrane.
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| Osmosis | show 🗑
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| Osmotic Pressure | show 🗑
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| show | Fluid pressure.
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| show | A solution that does not cause a new movement of water into or out the cell, and in these red blood cells do not chance apperence.
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| Hypotonic | show 🗑
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| Hemolysis | show 🗑
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| Crenation | show 🗑
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| FIlteration | show 🗑
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| show | Membrane proteins bind specific ions or organic substances and carry them across the plasma membrane, through concentration gradient.
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| Co-transport | show 🗑
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| Facilitated Diffusion | show 🗑
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| Active Transport | show 🗑
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| Vesicular Transport | show 🗑
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| show | The packaging up of extracellular materials in a vesicle at the cell surface for import into the cell. all types require ATP.
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| show | Produces vesicles that contain high concentrations of specific target molecule.
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| show | The formation of small vesicles filled with extracelular fluid. Not very selective.
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| show | Cell eating, produces vesicles containing solid objects that may be as large as the cell itself. Only formed by specialized cells that protect tissues. Pinching off the cell membrane.
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| show | The functional reverse of endocytosi, a vesicle created inside the cell fuses with the plasma membrane and discharges its contents into the extra cellular environment.
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| Cytoplasm | show 🗑
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| Cytosol | show 🗑
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| show | Internal structures that perform specific functions essential to normal cell structures, maintanance, and metabolism.
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| Organelles: inside membranes | show 🗑
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| Organelles: not inside membranes | show 🗑
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| Cytoskeleton | show 🗑
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| Microfilliments | show 🗑
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| show | Hollow tubes made from tubulin and anchors organelles spindal apperatis in cell division.
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| show | Small finger shaped projections of plasma membrane on exposed surface of cells, cells digestive tract.
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| show | A cylindrical structure composed of triplets of microtubules, in a pair of perpendicular to each other, only in cells that divide.
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| Cilia | show 🗑
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| show | Much longer that cilia, move a cell through surrounding fluid in sex cells.
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| show | Organelles that manufacture protein, from information from DNA in nucleus.
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| show | Scattered through cytoplasm and proteins they make enter the cytosol.
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| show | Attached to endoplasmic reticulum. go through membran, enter endoplasmic reticulem whcih exports them.
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| show | Organelles that contain a bunch of protein breaking enzymes. Remove or recycle denatured proteins and break down abnormal proteins.
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| Endoplasmic Reticulem | show 🗑
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| Smooth ER | show 🗑
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| Rough ER | show 🗑
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| show | Has 5 or 6 flat membraneous discs called cisternae. 1. modifies plasma membrane, 2. packages special enzymes
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| show | Vesicles with digestive enzymes. Clean up crew. Made in Golgi dude.
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| show | When muscles break down without use.
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| show | Larger than lysisomes, Form from growth and subdivision of existing peroxisomes. Absorbs and breaks down fatty acids. Is a free radical.
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| Free Radical | show 🗑
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| Mitochondria | show 🗑
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| Matrix | show 🗑
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| show | Energy production in mitochondria. produces 95% of energy cells needs.
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| Nucleus | show 🗑
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| Nuclear Envelope | show 🗑
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| Nucleoplasm | show 🗑
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| Nuclear Pores | show 🗑
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| show | Contain DNA in nuclues. 23 pairs in human body, 1 set from each parent. DNA strands wrapped and proteins called histones, DNA + Histones = nucleosomes.
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| show | The protein information stored as amino acids sequences in nucleus. Triplet code. A sequence of 3 nitrogenous bases.
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| show | Has all the triplets needed to produce a protein. Before a gene can be activated, enzymes must temporarily break the bonds between its nitrogenous bases and remove the histone that guards the promotor segments.
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| show | The section of a gene that regulates activity (start here sign for enzymes).
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| show | Production of RNA from a single strand of DNA. Happens in nucleus. Forms mRNA.
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| Messanger RNA | show 🗑
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| show | 1. DNA polymerease binds to promotor of gene 2. At stop signal Enzyme and mRNA detach 3. 3 nitrogenous bases with a new mRNA strand that is complementing to the cooresponding triplet on gene 4. enters cytoplasm through nuclear pore.
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| show | The making of proteins using the info by sequence of codons on the mRNA strand.
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| Process of Translation | show 🗑
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| Transport RNA | show 🗑
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| DNA Replication | show 🗑
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| show | Nuclear division of somatic cells
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| show | Production of sex cells
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| Interphase | show 🗑
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| show | Controlled cell death. Helps homeostasis.
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| show | Replicates DNA in nucleus every 6-8 hours.
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| DNA replication process | show 🗑
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| show | Interphase, Prophase, Metaphase, anaphase, telophase.
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| Prophase | show 🗑
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| Metaphase | show 🗑
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| show | when the centromere of each chromatid pair splits and the chromatids separate resulting in two daughter chromosomes which are now pulled to oppositeends of the cell ends when daughter chromosomes arrvce at centrioles at opposide ends of the cell.
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| Telophase | show 🗑
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| show | The division that forms the daughter cells, begins in late anaphase. Constriction of cytoplasm when chromosomes near the ends of spindle fibers cleavage furrow. Marks end of cell division.
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| Tumor | show 🗑
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| Benign | show 🗑
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| Malignant | show 🗑
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| show | Resulting from malignant cells. The secondary tumors they form are very active and they stimulate growth of blood vessles into the area. this increased blood supply make the tumor grow faster.
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| show | Switching off of genes to restrict cell functions.
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| show | brings solid objects into the cell
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| Major function of golgi apparatis | show 🗑
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| show | Thee nitrogenous base sequences on mRNA which are complementary to gene triplet.
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| Which is the pulling apart phase in mitosis | show 🗑
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| S Phase | show 🗑
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| Which cell functions require ATP? | show 🗑
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Created by:
iessnorris
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