Chemical foundatio - Study guides, Class notes & Summaries

Rf value correct answers Distance travelled by substance / distance travelled by solvent Thin lens equation correct answers 1/f = 1/O + 1/I Ohm's law correct answers V=IR Volts Index of refraction correct answers n=c/v Energy of a photon correct answers E=hf Joules Work correct answers W = force x distance Joules Ideal Gas Law Equation and assumptions correct answers PV=nRT Intermolecular forces are negligible Individual molecular volume is negligible STP conditions ...

Which of the following would be a potential explanation for T-cell mediated autoimmune disease? correct answers Failure of apoptosis of self-recognizing T cells A 25-year-old woman with lupus has been taking a medication that inhibits the effect of CD4- secreted cytokines, specifically Tumor Necrosis Factor (TNF). She comes to her physician's office with a fever and a cough lasting for weeks. Based on her medical history, which of the following is this patient at the greatest risk of develop...

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 Ex...

Which of the following offers the best explanation for why Line 1-2 has a steeper slope than Line 4-5? correct answers Liquid phases are less compressible than gas phases. If the conditions for Point 9 were replicated inside a glass container, what would an observer see inside? correct answers Supercritical fluid Suppose a researcher begins with 100 g of liquid and follows paths 4-5 and 6-7. Compared to Segment 4-5, the researcher would observe that Segment 6-7 has a: correct answers highe...

A heterodimer represents what level of protein structure? correct answers Quaternary Dopamine is most likely to induce signal transmission by action on which portion of a neuron? correct answers Post synaptic membrane Where do neurotransmitters function to induce signal transmission? correct answers Post synaptic membrane What is the difference between passive and facilitated diffusion? correct answers In passive diffusion, particles diffuse across a membrane from high to low concentrat...

How do you find wavelength from velocity and frequency? correct answers Velocity/frequency What can be inferred from the products of a reaction and their relative thermodynamic stabilities? correct answers A thermodynamic mixture of isomeric products will have a relative mole ratio of products which is directly related to the relative stability of the products. Therefore, the product with a higher mole ratio will have a higher thermodynamic stability. What is the equation for the total amo...

MCAT Section Bank: Biology & Biochemistry, AAMC Biological and Biochemical Foundations of Living Systems

receptor antagonist correct answers type of receptor ligand or drug that blocks or dampens a biological response by binding to and blocking a receptor rather than activating it like an agonist. 2^ n Rule correct answers gives possible stereoisomers with chiral centers. calcium oxalate precipitates correct answers when [Ca2+][C2O42-] exceeds the solubility product constant Ksp by definition electric field lines correct answers exit from positive and enter negative charges. The axon is ne...

Hyperventilation leads to a decreased blood CO2 correct answers Rate of CO2 exhalation exceeds the rate of CO2 production in the cells Which of the following best describes how a shift to the right in the dissociation curve in Figure 1 results in more oxygen delivered to tissue? correct answers The distance between the curves at 100 mmHg is less than the distance between the curves at 40 mmHg In RBCs bicarbonate can exchanged for chloride in the plasma. Why do red blood cells in venous cir...

mediating variable correct answers a variable that helps explain the relationship between two other variables Cannon-Bard Theory correct answers the theory that an emotion-arousing stimulus simultaneously triggers (1) physiological responses and (2) the subjective experience of emotion B correct answers Researchers conduct an experiment to test the Cannon-Bard theory of emotional arousal. A simulated car crash is used in which the subjects were shown video of an oncoming vehicle. Which of ...