Term
What are the 4 major families of small molecules? |
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Definition
Sugars, nucleotides, amino acids, fatty acids |
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Term
What is the phosphodiester bond? |
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Definition
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What are some of the functions of nucleotides? |
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Definition
signaling molecules, storage and propagation of biological information, short-term energy storage |
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Term
What are some components of nucleotides? |
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Definition
The sugar ribose or deoxyribose, a nitrogenous base, a phosphate group |
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Term
Guanine forms 3 hydrogen bonds with... |
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Definition
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Term
The bond that forms in a condensation reaction between two nucleotides is termed a ... |
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Definition
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Thymidine forms 2 hydrogen bonds with... |
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Definition
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Term
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Definition
Short term storage of energy |
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True/False: DNA can be "printed" into precise patterns at a micron scale |
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Definition
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Definition
Covalent bond that attaches two amino acids together |
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Term
What are some of the components found in an amino acid? |
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Definition
an alpha-carbon, an amine group, a carboxyl group |
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Term
What are some properties that could be found in one of the R groups of amino acids? |
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Definition
negatively charged side chains, hydrophobic side chains, bulky ring structures |
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Term
The primary structure of the protein refers to its... |
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Definition
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Term
The quarternary structure of the protein refers to its... |
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Definition
association with other proteins in order to be functional |
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Term
An alpha-helix structure is found in proteins at what level of structure? |
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Definition
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What are some of the functions of proteins? |
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Definition
Signaling, mechanical work including motors, and working as enzymes |
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Term
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Definition
contain a carboxylic head group that is hydrophilic, contain a long carbon tail that is hydrophobic, can be bonded to glycerol to form a mono-, di-, or tri-glyceride |
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Term
What is an unsaturated fatty acid? |
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Definition
Fatty acids with a double bond |
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Term
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Definition
A molecule in which three fatty acids are attached to glycerol |
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Term
The functions of lipids includ |
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Definition
building membrane bilayers, precursors for steroid hormones, long term energy storage in adipose tissue |
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Term
Plants that produce large amounts of fatty acids or triglyderides could be used to power biodiesel engines because |
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Definition
there is a great deal of energy stored in the carbon chains of fatty acids and triglycerides |
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Term
Jojoba plants may be a good source of fuel oil for use in Arizona... |
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Definition
because they grow better here than corn or soybeans, they produce more liters of oil for acre of land than cotton, corn, or soybeans, and because neither coconuts nor brazil nuts grow here |
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Term
Which of these biofuels has the highest volumetric energy density? (wood fuel, sunflower oil, methane, ethanol) |
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Definition
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Term
Crop with the highest yield of oil? |
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Definition
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Term
If one is designing a biodiesel production plant, one would want easy access to.. |
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Definition
farmers growing crops with a high fat or oil content |
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Term
What is BioDiesel composed of? |
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Definition
Mono-alkyl esters of long chian fatty acids |
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Term
Biological building blocks include |
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Definition
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Term
Hydrogen bonds occur between |
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Definition
the negative region of a molecule and the slightly positive H attached to an oxygen or a nitrogen |
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Term
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Definition
are interactions between electropositively and elctronegatively charged regions of molecules, and individually quite weak, require large numbers of such interactions to be useful |
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Definition
carbon, oxygen, and hydrogen |
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Term
Disaccharides form between 2 monosaccharides |
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Definition
by a condensation reaction with water also a product |
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Term
Long chains of sugar molecules are known as |
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Definition
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Functions of sugars include |
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Definition
mechanical structures in plants and insects |
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Term
Examples of polysaccharides include |
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Definition
cellulose, glycogen, and starch |
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Term
Ethanol production as an alternative fuel |
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Definition
requires plants with a high mass percentage of mono- and polysaccharrides such as starch or cellulose, requires yeast, and also produces carbon dioxide and livestock feed from the yeast solids |
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Term
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Definition
include forestry wastes and agricultural leftovers such as stover, include methane, include recently grown crops |
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Term
Starting materials for the production of cellulosic bioethanol could include |
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Definition
municipal solid wastes, forestry wastes such as sawdust, small branches and dead trees, and energy crops such as fast-growing trees and grasses |
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Term
What is the role of NADH and FADH2? |
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Definition
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Term
Where are the proteins involved in electron transport (oxidative phosphorylation) found in a cell? |
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Definition
in the Inner Membranes of the mitochondria |
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Term
The proteins in the electron transport chain pump _________ across the inner membrane to form a concentration gradient between the matrix and the inner mitochondrial space |
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Definition
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Term
What is the functions of ATP synthase in the mitochondria? |
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Definition
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Term
Approximate number of ATP molecules in a cell at any one time? |
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Definition
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Term
Complete oxidation of 1 glucose molecule produces approximately how many ATP molecules? |
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Definition
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Term
How are sugars stored for future use in the muscles and liver? |
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Definition
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Term
Where are fatty acids stored? |
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Definition
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Term
Where does photosynthesis occur? |
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Definition
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Term
What is the net result of photosynthesis? |
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Definition
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Term
How does photosynthesis use light? |
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Definition
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Term
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Definition
Lower the activation energy of the reaction |
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Term
What is the active site of an enzyme? |
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Definition
The site where the substrate binds on an enzyme |
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Term
How can you inhibit an enzyme? |
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Definition
Denature the protein, add a competitive inhibitor, add a negative modulator molecule |
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Term
What are catabolic pathways? |
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Definition
Pathways of enzymes that breakdown food molecules |
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Term
Why do cells often couple reactions? |
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Definition
To use the energy released by one reaction in another reactions, to decrease entropy in the cell, to minimize the amount of energy lost as heat |
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Term
Glycolysis is the breakdown of what molecule? |
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Definition
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Term
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Definition
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Term
What is the fate of the pyruvate molecules made during glycolysis? |
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Definition
Transported into mitochondria, react with coenzyme A (Hs-CoA) to form acetyl coenzyme A, contribute substrates to the Kreb's cycle |
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Term
What molecule does glycolysis start with? |
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Definition
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Term
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Definition
Breakdown of macromolecules into monomers by enzymes |
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Term
Cells use energy to create... |
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Definition
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Term
An endothermic reaction requires... |
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Definition
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Term
Proteins can be better catalysts than inorganic catalysis because |
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Definition
they have greater specificity |
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Term
Enzymes, because they are proteins, require specific conditions of _______ and ________ in order to optimize their rate of reaction. |
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Definition
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Term
The mitochondria are cellular organelles with what structural features? |
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Definition
matrix, inner and other membranes, inner membranous space |
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Term
Which of these molecules is NOT a direct product of Kreb's cycle |
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Definition
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Term
Pyruvate and NADH from glycolysis are transported into which region of the mitochondria? |
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Definition
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Term
The reason for breathing in oxygen is to... |
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Definition
accept electrons from the electron transport chain |
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Term
The electron transport chain uses the energy from the electrons to... |
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Definition
transport protons across the inner membrane into the intermembranous space |
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Term
The increased concentration of H+ in the intermembranous space of the mitochondria as compared to the matrix creates __________ across the inner mitochondrial membrane. |
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Definition
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Term
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Definition
is a 10nm rotary motor, has binding sites for ADP and Pi, converts the potential energy stored in the proton gradient into chemical bond energy |
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Term
The process of energy production in yeast under anaerobic conditions is known as... |
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Definition
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Term
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Definition
a product of anaerobic metabolism in muscle |
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Term
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Definition
materials created by living organisms |
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Term
A defining feature of a biological material... |
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Definition
self-assembly, hierarchical structure, multifunctionality, self healing |
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Term
Classification terms for biological materials are... |
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Definition
ceramics and ceramic composites, polymers and polymer composites, elastomers, and cellular (porous) materials |
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Term
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Definition
force divided by cross-sectional area |
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Term
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Definition
the change in length after testing divided by the original length |
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Term
One measures stiffness (elasticity)... |
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Definition
stress/strain (initial segment of graph) |
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Term
The maximum amount of stress a material can handle is its |
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Definition
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Term
When stretching a material one does work on the material. As the material is released, energy is released. The difference between the work that comes out relative to that which goes in is termed a material's... |
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Definition
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Term
In order to break a material, a certain amount of work per unit cross-sectional area (J/m^2) is applied. This is called the... |
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Definition
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Term
After compression is applied, the decrease in length in the Y axis over the increase in width (in the X axis) determines a material's... |
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Definition
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Term
What are some of the advantages of materials with J-shaped stress strain curves? |
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Definition
Getting stiffer as the failure point approaches, increased safety factor, reduced area under the curve meaning less work need be done to stretch the material |
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Term
Organic matrices impact biomineralization through... |
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Definition
Stabilization of intermediate semicrystaline structures, and influencing the shape of mineral crystal formation |
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Term
In order to inhibit cracking in the devise you are designing, you might consider choosing a material that... |
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Definition
doesn't develop sharp tips on any cracks that they do suffer, using foamy materials whose "holes" will inhibit crack propagation, and using materials that have layered sheets oriented in different directions |
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Term
Toughness is bone _______ with increasing mineral volume fracture. |
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Definition
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Term
A mechanism that contributes to the fracture toughness of bone... |
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Definition
uncracked ligament bridging, crack deflection, collagen fibril bridging, and constrained microcracking |
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Term
Tuning in biomaterials refers to |
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Definition
the alignment by natural selection of the properties of materials with their applications in an organism |
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Term
Markings on insects and spiders could be useful in low light situations and thus could be constructed of _______ materials |
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Definition
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Term
The fundamental adhesive force in gecko feet |
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Definition
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