chapter 1&2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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show | maintain a relatively constant rate for the system to work properly
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Positive feedback | show 🗑
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show | the controls are primarily Inhibitory, The response is geared to oppose a change to system, either by preventing the change or to turn on the opposing action, thus affecting to normal state.
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show | defines the interaction of opposing (antagonistic)responses, while maintaining the homeostatic balnce in an organism.
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show | Anything that allows work to happen.
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show | reaction between two or more comonents.
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show | requiring energy
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Exergonic | show 🗑
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show | Energy used to physically move objects
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show | Energy that travels in waves
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Radiant Energy | show 🗑
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Nuclear energy | show 🗑
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Fission | show 🗑
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show | of atomin nuclei (coming together)
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show | defines anything that has amss ans occupies space.
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The simplest form of matter | show 🗑
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element | show 🗑
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elements are further define a simpler for called | show 🗑
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show | Nucleus, protons, neutrons, electrons
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show | which is subdivided into two subatomic particles
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protons: | show 🗑
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Neutrons | show 🗑
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show | Set of orbits, sub-orbitals containing electrons
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Electrons | show 🗑
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Atomic number | show 🗑
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show | number of electron(s) equals the number of Proton(s) in a neutral atom
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Atomic mass number | show 🗑
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show | the difference obtained between the Atomic mass resulting in the atual number of neutrons
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show | the necessity of an atom, which may be electro-neutral to reach a state of "fullness"
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show | Bonding of two or more different elements using any one or combination of the following forms of chemical bonds
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Chemical bonding | show 🗑
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show | Ionic bonding occurs when an atom loses (tranfers) one or more electron(s) out and another atom gains (accepts) one or more electrons in for the expressed purpose of satisfying the octect rule
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show | the sharing of one or more electrons between two atoms
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show | unequal sharing of electrons between different atoms
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show | equal sharing of electrons between like atoms; represented by the following possibilities of interaction
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show | when two atoms of same atomic number, share a pair of electrons
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double non-polar covalent bonding | show 🗑
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triple non-polar covalent bonding | show 🗑
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show | When htdrogen atom acts as link between two other atoms
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Di-Sulfide bond | show 🗑
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Electrolytes | show 🗑
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show | Hydrophilic,hydrophobic
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Hydrophilic | show 🗑
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Hydrophobic | show 🗑
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Soultions | show 🗑
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show | fluid medium;generally water in a biological system
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solute | show 🗑
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show | Dissociation of a molecule (water) in solution to form ions
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Acidic substances | show 🗑
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show | substances that when dissolved in a solution increase the Hydroxyl or that decrease hydronium ion concentration in that solution
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show | substance having an equal ratio of H+ to [OH-] ions concentration in solution
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show | hydrocarbons and cabohydrates
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show | the basic substrate of most biologically active molecules
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show | primarily use is producing cellular energy in for of (ATP)
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show | Monosacharides,disacharides,polyaccharides, lipids,proteins, nucleic acids
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Categories of monoseccharides | show 🗑
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isomers | show 🗑
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mechanisms | show 🗑
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Anabolism | show 🗑
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glycosidic bond | show 🗑
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show | Hydrolysis: breakdown of multiple units into individual building blocks by introducing h20 to cleave(splits) the molecules apart
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show | Dimer of two hexose sugars, linked together by a glycosidic bond
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types of dissaccharides | show 🗑
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show | table(gluctose-Fructose) sugar
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maltose | show 🗑
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show | milk ( glucose-galactose) sugar
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show | polymer of many hexose sugars, linked together by many glycosidic bonds
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show | Glycogen, starches, cellulose, chitin, oligosaccharides
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Glycogen | show 🗑
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show | similar to glycogen but produced by plants; digestible by humans
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show | similar to glycogen but produced by plants; indigestible by humans due to lack of enzyme cellulase
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chitin | show 🗑
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show | "branched" polyaccharide(cell membrane antigens)
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lipids | show 🗑
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show | a fluid-mosaic modle of many components
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components of the Phospholpid bilayer | show 🗑
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show | structural supports the membrane walls, much like steel rods support a building
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show | a membrane-bound hormone affecting many functions, through its molecular intermediation, including muscle toness, contraction and metabolism
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show | communicates cell functions through the nucleus
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show | involved in cellular communication
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AquaPorins | show 🗑
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show | "Braille" SYSTEM of communication between the inside and the outside of the cell
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modes of transportation | show 🗑
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show | no additional energy is required.
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show | pore diffusion, lipid diffusion, osmosis, dialysis, facilitated diffusion
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pore diffusion | show 🗑
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lipid diffusion | show 🗑
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osmosis | show 🗑
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show | force required to prevent the movement of water molecules against concentration gradient
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terms associated with osmotic process | show 🗑
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osmotic | show 🗑
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tonic | show 🗑
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show | prefix to indicate "higher concentration of...than..."
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Hypo | show 🗑
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show | prefix to indicate " same concentration of..as/equal to.."
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show | indicates that there is a "bursting of cells" from the cell taking in excess solvent
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show | indicates that the cell is "shrinking" as solvent leaves the system
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Dialysis | show 🗑
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facilitated diffusion | show 🗑
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physiological | show 🗑
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show | active molecular transport, endocytosis, exocytosis
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show | the sodium/ potassium pump as observed in nerve impulse propagation in a nerve cell. Calcium channels in nerve cells and musle fiberd muscle concentration
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show | brings one or more things into cell
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receptor mediated endocytosis | show 🗑
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phagocytosis | show 🗑
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show | cell drinking small particles
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exocytosis | show 🗑
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merocrine | show 🗑
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apocrine | show 🗑
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endoplasmic reticulum | show 🗑
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show | contains ribosomes which translate RNA (rough) strands into chains of amino acids into polypeptide chains protein synthesis
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show | (smooth) free of ribosomes; involved in detoxification of drugs; synthesis of polysaccharides; steriodial hormones and lipids
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show | derived through the fractioning of the smooth ER
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lysosomes | show 🗑
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autolytic vesicles | show 🗑
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show | cell bound; within phagocytes; responsible for intracellular digestion
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acrosomes | show 🗑
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show | fluid bond; kills bacteria and fungi from outside, found outside the cell in tears, saliva mucous, sweat, sebum, cerum, urine, milk, semen, and vaginal secretion
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embryonic lysosomes | show 🗑
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perixisomes | show 🗑
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show | a prokaryotic symbiont co-evolving with the eukaryotic cell for a mutual benefit; it is involved in the aerobic pespiration process to make energy
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show | directs most of the cells functions, contains the molecule DNA whichmdictates both replicative and transcriptive that can be translated by the RER into polypeptide chains, thus governing the functions of the cell via the synthesis of proteins
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cytoskeleton | show 🗑
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show | composed of slender protein strands (fibers) that form a dense layer under the cells membrane.
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intermediate filaments | show 🗑
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thick filaments | show 🗑
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microtubules | show 🗑
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centrosomes | show 🗑
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show | small finger-like projections of the cell-membrane; increases surface areas and movement
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show | undulating, hair-like structures that move fluids or secretions across a stationary cell, usually associated with the respitory tract and fallopian tubes
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show | they move a cell through fluids instead of moving fluids across a stationary cell
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sterocilia | show 🗑
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show | associated with rough ER, can be fixed or free
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cell junctions | show 🗑
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show | zipper like linkage between cell membranes; permits stretching; rich in collagen and elastin molecules, proteoglycans(skin); accomadate growth
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show | spotwelds: fusion of adjacent membrane regions; rich in intermediate filaments; forms interfacial canals for communication
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show | fusion of membrane-bound "intrinsic" proteins to form a bridge between cells
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show | liquid compartment of the cell; contains water, electrolytes, metabolites, enzymes, wastes .etc. which mediate most chemical events that takes place within the cell
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