Download BCH330 Final Exam 2025-2026 Latest With Practice Questions and Correct Answers | BCH 330 F and more Exams Biochemistry in PDF only on Docsity!
BCH330 Final Exam 2025- 2026 Latest With
Practice Questions and Correct Answers | BCH
330 Final Practice Exam 2025- 2026 | BCH 330
Final Test Prep 2025 (New!) Graded A+
Delta G stands for standard state free energy the partial specific volume of solute can be smaller than the volume due to ________________ electrostriction mu = delta G/ delta c describes what? chemical potential what is used to describe a derivative when one or more variables are held constant? partial differentials the term q is the ___________ of the system *** heat
the quantity kB is the energy associate with ____________ one degree of freedom Q= sigma(j)c(j)= sigma(j)exp(-deltaG/RT).... whats Q? partition coefficient what equation involves plotting Kd versus 1/T (arrhenius plot)? Van't Hoff _______________ (at constant pressure) (Cp) is defined as Cp= partialH/partialT heat capacity Cp is heat capacity the offsetting - TdeltaS and +deltaH energies for protein ______________ are very large (500-700kj/mol) denaturation
what is this equation? cLB= (pcLF)/ (Kd+cLF) hyberbolic binding function what is this : V0= (VmaxcS)/(Km +cs) michaelis menten equation what is qj in the following equation: qj=Vcell DeltaH delta(L bound) heat absorbed or released the concentration of inhibitor X in which half of the maximal amount of acceptor-ligand (AB) complex competition equation is the __________ IC AB=ABmax (1-(x/x)+ _____) IC the ____________ plots 1/V0 and 1/[S], and can determine Km and Vmax double reciprocal
the time it takes for [A0] to drop to 1/2[A0] is called the _______ half life t(1/2) half life the ___________________ step in DNA duplex formation involves accruing the activation energy necessary to form a small number of base pairs called the nucleus rate determining step (nucleation step) The following equation is the analytical version of the principle of ______________________ deltaG= deltaG0 + RTlnQ......... Q=[C][D]/[A][B] mass action what emphasizes the relative contributions of enthalpic and entropic energies to the stabilization of globular proteins? hydrophobic effect osmotic pressure and boiling point elevation are _____________ colligative properties
equilibrium constant what can one calculate from the slope of the heat capacity versus temperature? deltaH (enthalpy) what is obtained by integrating Cp in the temperature rang? integral( DeltaCp (T)/(T)dT the change in entropy (deltaS) for the two state situation, DeltaHvh= 4RTsquareddeltaCp(Tu)/DeltaHu.... Tu is the transition temperature of the baseline-corrected ____________ DSC peak (differential scanning calorimetry) the offset of DNA denaturation produces a much smaller stabilization energy at low to moderate T. These contributions cross-over at __________ to produce of deltaGu of 0 at Tu. 60 - 80 degrees in beer's law... the term c is the molar cocentration of the _____ chromophore
regular hydrogen bond Hs have energies in the 2-12kcal/mol range.. with chemical shifts 8-14ppm.... LBHB have energies in what range? 12 - 24 kcal/mol the fractional saturation fa is converted to the ______________ (r) by multiplying by the ___________________ on the lattice binding function, number of binding sites due to their _____________________, droplets minimize their free energy by forming a sphere, with the smallest possible surface area surface tension the term p refers to ____________ in the hyberbolic binding function number of identical and independently bound to the lattice (VALUE OF STOICHIOMETRY) each step in a _____ experiment involves measuring the amount of electrical power required to maintain a constant temperature as compared with results acquired in a separate reference cell isothermal titration calorimetry __________ molecules like _____________ can only bind at every second or third site between base pairs in DNA due to inhibition induced by previously bound molecules
in the ______ technique, a ligand binds to the surface of a special optical device and a beam of light is directed at the surface and bounces off, producing an ___________. Anything in the near vicinity of the surface can be detected. surface plasmon resonance, evanescent surface wave the lowest energy state is the _____________ electronic form of the molecule, the molecular electronic distribtution most probable nucleation induces the rest of the double helix zips up in a __________ manner positively cooperative according to the ____________________ equation, the total potential energy (Vtot) of the system is.......... the huge ass equation molecular mechanics master equation the goal of a canonical ensemble is to allow a molecule to adopt a large set of its possible __________ and treating them as an average configurations according to the flory-huggins lattice polymer model, solvent molecules occupy the volume of the polymers ___________ chain segments
what does deltaE stand for in the nernst equation? electrochemical cell potential the typical standard delta psi across a plasma membrane is ________, with an excess of ____________ charge inside the cell
- 60mV, negative the term deltaG/nF is the ___________ (deltap) proton motive force the ________________ technique allows one to sweep back and forth through a voltage range of redox reaction and study the response of a biomolecule or its indicator partner as the voltage is swept. scanning electrochemistry/ voltammetry the extra charge required to drive the charge across the gap represents the added activation energy required for the molecule to pass through the __________ to the electrode surface boundary layer the term Re in the following equation, defines the ______ reynolds number
one can compare the thetas between two paths at different time steps with diffusion trajectory... at short time intervals the steps are nearly parallel and the _________ of the angle is close to 1. cosine the optimum egg radius is 77 times that of the sperm. eggs evolve toward larger sizes, driven by the increase in __________ target size the _______ measures the local energy dissipated when a large particle is present in a solvent viscosity stokes law in terms of the _________ (theta) is kT/8pinR^ rotational frictional coefficient bacteria sense nutrients and _________ in one direction. When they do not sense it they_________ in the reverse fashion rotate their flagellum since the much larger egg contains more _________ than as sperm cell, it lives longer cytoplasm
the probability equations, leads to the derivative plot, dc versus dx, which has a maximum x=0.... under this condition, dc/dx= c0/(4piDt) and one can calculate ______________ three dimensional random walk when doing electophoresis, the force F is proportional to mu/Q.... which refers to the _________ mobility for the molecular density, p, the mass m=4/3piR^3p, as a result __________________=4/3piR0pNa molecular mass (M) in the sedimentation velocity method, one uses a high rotor speed and _________ to maximize the resolution a long column when a molecule is spun in the presence of a heavy salt, the salt sets up a gradient and individual molecules will gather at the regions corresponding to their ______ (1/Vbar) density the MSE was the proof of the ______ nature of DNA replication semiconservative
condensed counterions when the two ends of a linear DNA are joined to the other two ends to produce a ring, the ends cannot rotate with respect to eachother creating a ____________ constraint topological the number of times one strand passes around the other is a constant that cannot changed called the linking number. The energy can be apportioned into the ____ of one strand around the other or the _____ of the duplex axis in space. twisting, writhing the euler relation allows one to interconvert __________ into their equivalent exponential functions, which are often much easier to manipulate trigonometric (wave) expressions the target of many QM calculations, a _____, only has physical meaning when multiplied by its ____________ to produce psi squared wavefunction, complex conjugate sometimes the sum of two waves makes a more intense signal at a given point in space and time.. called constructive superposition
the _________ function is H(f)= time planck's principle: matter is interpreted as consisting of ____________ a collection of linear oscillators the hertz maxwell equation .. v=c/lambda, whats c? speed of light (3 times 10^8 m/s) the wave travels as the E and M vectors oscillate at right angles to, and in phase which eachother, perpindicualr to _____ the wave propagation direction one cannot know the _____ and ____ perfectly simultaneously energy, time the internal energy of molecule is composed of 3 types of energy: electronic, vibrational, rotational
refracts actual orbitals involve difuse complicated cloud-like structures such as the ______ sp3 orbitals in _____ and the __________ in benzene pi orbitals the quantized values of _________ occur as integral multiples of h/2pi angular momentum for the particle in a box model, the following boundary conditions on the potential energy function.... assure that the particle __________ is avoiding the infinity catastrophe near the edges of the box --- assure the particle is in the box the reciprocal lattice idea is essential to understadning x-ray crystallography results and how to extract the _______ And molecular shape from the data space group the following equation is called the ________________ Hpsi=Epsi schrodinger equation
the probability that the other (mixed)states become populated is pmix........... A ________is applied by the potential Vcap which causes variable amounts of mixing states perturbation a molecule is perturbed by light because its distrubtion of electrical charge is altered by the ___________ of light oscillating electrical field the two time dpeendent schrodinger equations for a-->b (________) and b to a (_________) are........... absorption, emission when light is absorbed by an aromatic compound, a light induced ______ oscillates in a preferred direction relative to the chromophore... usually in the plane of aromatic rings dipole when two monomers are stacked, the absorption band is generally split.... this is called ____ exciton splitting this phenomenon (beers law) can be used to determine the stabilities of ______ nucleic acid double helices
