Chemical And Physical Foundations Of Biological Sy
Chemical and Physical Foundations of Biological Sy
Exam (elaborations)
Chemical and Physical Foundations of Biological Systems- MCAT || All Questions Answered Correctly.
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Chemical and Physical Foundations of Biological Sy
Institution
Chemical And Physical Foundations Of Biological Sy
ammonium carbonate correct answers (NH4)2CO3
Heisenberg Uncertainty Principle correct answers Cannot know both the momentum and position of an object with absolute certainty
Bose-Einstein Principle correct answers Collection of atoms cooled close to absolute zero will coalesce into a single q...
Chemical and Physical Foundations of Biological Systems-
MCAT || All Questions Answered Correctly.
ammonium carbonate correct answers (NH4)2CO3
Heisenberg Uncertainty Principle correct answers Cannot know both the momentum and position
of an object with absolute certainty
Bose-Einstein Principle correct answers Collection of atoms cooled close to absolute zero will
coalesce into a single quantum state
Le Chatelier's Principle correct answers reversible process, the application of stress to the system
will cause the system to respond in a way that will relieve this stress
Pauli Exclusion Principle correct answers two or more identical fermions (electrons) cannot
occupy the same quantum state
Adenine correct answers
Flavin correct answers
Ubiquinone correct answers
Endergonic Reactions correct answers - reaction is not spontaneous
- Energy is absorbed
- deltaG > 0
Exergonic Reaction correct answers - Reaction is spontaneous
- Energy is released
- deltaG < 0
In vivo correct answers inside whole organism
In vitro correct answers outside of living organism
Boyle's Law correct answers P is inversely proportional to V
*doubling the pressure of a gas sample will decrease the volume
aromatic compound correct answers 1. contains a ring of continuously overlapping p orbitals
(planar)
2. has 4n+2 (huckel's rule) pi electrons in the ring
Pyrrole correct answers electron-rich heteroaromatic molecule with a five membered ring
consisting of one nitrogen and 4 carbons atoms
*found in heme, not in the side chain of a natural amino acid
, STP (standard temperature and pressure) correct answers 1 mol of gas in a volume of 22.4 L =
2.24 x 10^4 cm^3 at stp
When does fluorescence occur? correct answers when the absorbed radiation has a photon
energy larger than the photon energy of the radiation emitted through fluorescence.
* the photon energy is inversely proportional to the radiation wavelength
Amide nitrogen- chiral or achiral? correct answers achiral
Carbonyl carbon - chiral or achiral? correct answers achiral
α carbon - chiral or achiral? correct answers In a protein, each amino acid residue, except Gly,
has a chiral α carbon
β carbon - chiral or achiral? correct answers with the exception of Ile and Thr, the β carbon in
amino acid residues is achiral.
*CD spectra arise from the massively greater presence of α carbon chirality
CD (circular Dichroism) Spectroscopy correct answers analytical technique used to analyze
chirality in molecules through their optical activity
Steroids are a class of lipids derived from ________________ correct answers Cholesterol
Enantiomers correct answers - have the same physical and chemical properties
- differ only in their 3 dimensional arrangement of atoms and their interactions with other chiral
molecules
- differ in their smell due to interacting differently with chiral odorant receptors
- same densities
- boiling points of enantiomers are identical, and cannot be separated by distillation
- IR spectra of enantiomers are identical when a normal light source is used
- Circularly polarized light will potentially illustrate differences
Imidazole correct answers histidine has an imidazole ring-containing side chain
Carbonic Anhydrase correct answers an enzyme that catalyzes the reversible reactions of carbon
dioxide and water
Ammonium formate correct answers NH4HCO2
Ammonium bicarbonate correct answers NH4HCO3
Ammonium Acetate correct answers NH4CH3COO
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