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MCAT Biology Practice Questionsthe chemical reaction that breaks down all the major macro-molecules - correct answer Hydrolysis What is the strongest type of INTER-molecular bonds? - correct answer Hydrogen bonds are the strongest intermolecular bonds.... diople-dipole bonds are weaker. . . Vander wall bonds are the weakest. Why is water a liquid at high temperatures? - correct answer Hydrogen bonding bonds the water molocules closer together. What is an ampipathic molecule? give an Ex...

MCAT Biology Practice QuestionsHyperbaric oxygen may be used as a treatment for certain types of bacterial infections. In this therapy, the patient is placed in a which the partial pressure of oxygen is significantly increased, increasing the partial pressure of oxygen in the patient's tissues. This treatment is most likely used for infections with: A. obligate aerobic bacteria B. facultative anaerobix bacteria C. aerotolerant anarobic bacteria D. obligate anaerobic bacteria - correct an...

MCAT BiologyCentral Dogma - correct answer DNA → RNA → Protein Purines - which bases? - how many rings? - correct answer Pyrimidines - which bases? - how many rings? - correct answer Remember: "Pyrimidine" has a "y" in it; so does "cytosine" and "thymine." Phosphodiester Bond - correct answer Joins one nucleotide to the next; between the 3rd C of one ribose and the 5th C of the other to create the sugar-phosphate backbone Directionality of DNA (convention) - correct ...

MCAT: Cell BiologyCell Theory - correct answer 1) All living things are made of cells 2) Cell is the basic functional unit of life 3) Cells are formed from other cells 4) Cells contain DNA (genetic information) Are viruses living organisms? - correct answer No. They dont contain DNA (they have RNA), and they are not able to reproduce on their own (violates 3 and 4 of cell theory) Eukaryotic cells vs Prokaryotic cells - correct answer Eu: Nucleus. Pro: No nucleus Nucleus - correct ans...

MCAT Chem/PhysGenerally, how are proteins formed? The connecting of a string of amino acids via peptide bonds and the folding of this string to create a completed protein. The folding is determined primarily by the hydrophilic and/or hydrophobic nature of the amino acids. Stabilized by hydrogen bonds, disulfide bridges, and other intramolecular forces. Peptide (Amide) Bonds These are formed when the n-terminus of one amino acid attacks the carboxy terminus of another amino acid. Water is ...

MCAT enzymesEnzyme - correct answer Biological catalyst Lower activation energy Increase rate of reaction Are not changed or consumed during reaction pH and temperature sensitive Do not affect overall Delta G Specific for a particular reaction or class of reactions Do not change equilibrium of a reaction Urease - correct answer Catalyzes the breakdown of urea Oxidoreductases - correct answer Catalyze oxidation-reduction reactions, transfer of electrons between biological molecules. ...

MCAT Exam QuestionsProducts of the Pentose Phosphate Pathway - correct answer NADPH, ribose- 5 - phosphate , Glycolytic intermediates reaction of G-6-phosphate to ribulose-5- phosphate is.. - correct answer oxidation of G6P where is the pentose phosphate pathway likely to happen - correct answer adipose tissue Southern Blot - correct answer used to analyze extracted DNA for a potential DNA segment Strong lewis acid - correct answer electron poor- fostered by being bonded to electron ...

MCAT formulas!Distance formula - correct answer d=vt VAT - correct answer Vf = V₀ + at VAX - correct answer Vf² = V₀² + 2a∆x TAX - correct answer ∆x = v₀t + 1/2at² centripetal motion (2) - correct answer Ac = V²/ r Fc = mv²/ r Law of gravitation - correct answer F=GM₁M₂/ r² Newtons second law - correct answer Fnet = ma Kinetic friction - correct answer Fk = µkFn Static friction - correct answer Fs≤ µsFn Torque - correct answer t = F x r t = F...

MCAT General ChemistrySTP - correct answer 0°C and 1 atm Ideal Gas Law - correct answer PV = nRT At STP, 1 mol of gas will occupy ... - correct answer 22.4 L Characteristics of an Ideal Gas - correct answer 1. Gas molecules have zero volume 2. Gas molecules exert no forces other than repulsive forces due to collisions 3. Gas molecules make completely elastic collisions 4. The avg. kinetic energy of gas molecules is directly proportional to the temperature of the gas Partial press...

MCAT glycolysisGlycolysis is the first step in cellular respiration, where sugars that are consumed are converted into fuels. It is when glucose is converted into ...... molecules of................... - correct answer 2 pyruvate Here is a pic of the steps of glycolysis - correct answer List the enzymes that catalyze each step of glycolysis in order: - correct answer 1. hexokinase 2. phosphoglucose isomerase 3. phosphofructokinase-1 4. aldolase 5. trios phosphate isomerase 6. gl...