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48 Cards in this Set

  • Front
  • Back
What makes bonds monomer in H2O? January 29
What breaks the bonds between subunits? january 29
What is a polysaccaride? January 29
sugars(monosaccharides) joines by glycosidic bond
What kind of bonds are lipids?
ester bonds
What is a Protein Primary(1)Structure? January 29
it is an Ammino Acid linked by a peptide bond.
What is a Secondary(2)Structure? January 29
Hydrogen bonding between -COOH+ -NH2 of different parts of the same polypeptide.
What is a Tertiary(3)Structure? Januaury 29
reactions between R-groups on different parts of the same polypeptide -> more folds.
What is a Quaterary(4)Structure? January 29
multiple polypeptides interact to make 1 protein.
What is a catalyst? January 29
a compound able to increase the speed of a reaction by lowering the activation energy needed for the rxn to start.
what are enzymes? January 29
-protein catalysts
- lower activation energy for specific rxns + thus control which rxns and how fast.
What is potential energy? january 29
its stored energy do to location or position that has the capacity to do work.
What is a chemical reaction? January 29
What is activation energy? January 29
determines how fast a reaction occurs.
- delta G must be -.
What are nucleic acids? January 29
nucleotides joined by phosphodiester bonds.
What is DNA?
double helix due to it bonding between nitrogenous bases of two different DNA strands.
All Organisms are made up of what? January 13
What is a hypothesis? January 15
a conclusion drawn from the collection of data.
What is a theory? January 15
a generally accepted explanation that has been tested.
What is a Law? January 15
cannot be done in biology!!
how old is the Earth estimated to be? January 15
4.6 Billion years old
What are the building blocks for life? January 15
H,C,N,O components of organic chemistry
What is the valence shell? January 15
the outter most electron shell
what are covelent bonds? January 15
shared electrons
What is kenetic energy? January 20
energry of motion
What is potential energy? January 20
stored(capacity to do work)
-chemical bonds
What are the Laws of Thermodynamics? January 20
1. Quantity
2. Quality
(only in a system)
In the Laws of Thermodynamics what is quantity? January 20
"energy can be transfered and transformed but can neither be created nor destroyed."
In the Laws of Thermodynamics what is quality? January 20
"every energy transformation or transfere increases the entropy of the universe."
*always increasing in entropy!!
What is entropy? January 20
measure of the amount of disorder in a system.(heat)
What is the process of chemical evolution? January 20
1. reduced or reacted carbon compounds (H2CO + HCN)formaldehyde
2. macromolecule subunits
3. macromolecules
4. 1st life
What is a lipid? January 22
non-polar, hydrophobic, carbon containing
What is Permeability? February 5
length of fatty acids
-number of double bonds C=C
what is a solvent? February 5
it is the liquid
What is a solute? February 5
what is dissolved in a liquid
What is Turgor pressure? February 5
osmotic pressure pushing against cell walls
Half the mass of your membranes are what? February 5
proteins (membrane proteins)
What is reduction? January 20
reduced if you gain an electron
What is oxidation? January 20
oxidized if it looses an electron
What are the two parts of Redox Reactions? January 20
Reduction and Oxidation
What are the three properties of life in chemical evolution? January 20
-cell membranes
What are hydrothermal vents? January 22
mineral deposites
-reactive carbon compounds
Different side chains have different what? Januaury 22
chemical properties
What is hydrophobic? January 22
water fearing
What is hydrophilic? January 22
water loving
What energy is involved in diffusion? February 5
energy inherite in the motion of the molecule
What is equalibrium? February 5
same number of molecules distributed
What is osmotic pressure? February 5
amount of pushing capacity
what does it mean to be isotonic? February 5
when it is at equalibrium