Mcat b - Study guides, Class notes & Summaries

AAMC MCAT Practice Exam 2 Questions and Answers 2024 C/P: What expression gives the amount of light energy (in J per photon) that is converted to other forms between the fluorescence excitation and emission events? "intensity of fluorescence emission at 440 nm excitation at 360 nm) was monitored for 20 minutes" A) (6.62 × 10-34) × (3.0 × 108) B) (6.62 × 10-34) × (3.0 × 108) × (360 × 10-9) C) (6.62 × 10-34) × (3.0 × 108) × [1 / (360 × 10-9) - 1 / (440 × 10-9)] D) (6.62 × 10...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence...

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...

Central Dogma - ANSWER - DNA → RNA → Protein Purines - which bases? - how many rings? - ANSWER - Pyrimidines - which bases? - how many rings? - ANSWER - Remember: "Pyrimidine" has a "y" in it; so does "cytosine" and "thymine."

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...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...

MCAT Biology Practice Questions and Answers 100% CorrectMCAT Biology Practice Questions and Answers 100% CorrectMCAT Biology Practice Questions and Answers 100% CorrectMCAT Biology Practice Questions and Answers 100% CorrectMCAT Biology Practice Questions and Answers 100% Correctthe chemical reaction that breaks down all the major macro-molecules - ANSWER - Hydrolysis What is the strongest type of INTER-molecular bonds? - ANSWER - Hydrogen bonds are the strongest intermolecular bonds.... dio...

AAMC MCAT Practice Exam 1 Questions and Answers 2024 In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A) Hydrogen bonding B) Solute concentration C) Stationary phase concentration D) Thickness of paper -Answer-A) Hydrogen bonding The answer to this question is A because the relative amount of hydrogen bonding to the stationary phas...

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 Biochemistry Review Amino Acid - correct answer Dipolar compound containing an amino group and a carboxyl group Amino Group - correct answer -NH2 Carboxyl Group - correct answer -COOH Alpha Carbon - correct answer Central carbon atom in amino acid Attached to amino & carboxyl groups, H atom, and side chain Side Chain - correct answer The variable component of an amino acid that gives the amino acid its identity and chemical properties also called R-group Chiral - correct a...

MCAT Bio/Biochem 2022What happens during non competitive binding? - correct answer binds at allosteric site How are peptide bonds formed? Broken? - correct answer dehydration synthesis hydrolysis What is the tertiary structure of a protein? - correct answer 3D structure including bending from hydrophilic/hydrophobic interactions R groups What is the quaternary structure of a protein? - correct answer interactions between different polypeptide chains in proteins composed of more than ...