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Examen
AAMC MCAT Practice Exam 1 – Questions and Verified Answers – Updated for 2024/2025
This document provides all questions and verified correct answers from AAMC MCAT Practice Exam 1, updated for the 2024/2025 testing cycle. It includes detailed coverage of all four MCAT sections: Chemical and Physical Foundations, Critical Analysis and Reasoning Skills (CARS), Biological and Biochemical Foundations, and Psychological, Social, and Biological Foundations. Ideal for high-yield review and realistic exam practice.
Examen
Aamc Test 2 Exam Updated Actual Questions And Correct Answers
AAMC Test 2 Exam UPDATED ACTUAL 
QUESTIONS AND CORRECT ANSWERS 
Kcat = - CORRECT ANSWER 
Vmax/[E] (enzyme saturated with substrate) 
in increasing polarity - CORRECT ANSWER 
acid 
alkane < ketone < alcohol < carboxylic 
Carbon-14 decays into ___ through beta decay - CORRECT ANSWER 
carbon-labelling - CORRECT ANSWER 
N-14 
carbon-14 atoms can be used to replace 
nonradioactive carbon, in order to trace chemical and biochemical reactions involving carbon 
atoms fro...
Examen
Aamc Practice Test Ii: Bio Exam Updated Actual Questions And Correct Answers
AAMC Practice Test II: Bio Exam 
UPDATED ACTUAL QUESTIONS AND 
CORRECT ANSWERS 
AlP + 3H+ -> Al3+ + PH3 
AlP exposed to an aqueous solution in which pH range will result in the largest amount of 
phosphine production? 
a. pH < 4 
b. 4 < pH < 7 
c. 7 < pH < 10 
d. pH > 10 - CORRECT ANSWER 
A. pH < 4 - H+ is a reactant and the increase in concentration of H+ at low pH will favor product 
formation (Shift to right)
Examen
Mcat Aamc Practice Test 2 Exam Updated Actual Questions And Correct Answers
MCAT AAMC Practice Test 2 Exam 
UPDATED ACTUAL QUESTIONS AND 
CORRECT ANSWERS 
One-Letter abbreviations of Amino Acids RNDQEW - CORRECT ANSWER 
arginine, N-asparagine, D-aspartate, Q-Glutamine, E-glutamate, W-tryptophan 
Side Chain pKas--DERHK - CORRECT ANSWER 
R 
D(aspartate),E-glutamate--acidic 
R(arginine)H-histidine-K-Leucine--Basic 
Phosphoryl transfer from kinases comes from which phosphate? - CORRECT 
ANSWER 
gamma phosphate
Examen
Aamc Fl 1 Bio Exam Questions And Answers 2025/2026
AAMC FL 1 BIO EXAM QUESTIONS 
AND ANSWERS 2025/2026 
Based on the data presented in the passage, which statement best 
describes the HSP110ΔE9 allele? 
A.Cancer-promoting and dominant to HSP110WT 
B.Cancer-promoting and recessive to HSP110WT 
C.Cancer-suppressing and dominant to HSP110WT 
D.Cancer-suppressing and recessive to HSP110WT - Answer -Solution: 
The correct answer is C. 
This is a Biology question that falls under the content category 
"Transmission of genetic information from the ...
Examen
AAMC 3 Bio/bio Questions With Complete Solutions
AAMC 3 Bio/bio Questions With Complete Solutions
Examen
Aamc Final Exam Paper 2025/2026 Questions With Solutions Graded A+
Disulfide bridges - which is a type of intermolecular covalent bonding. 
-Oxidation builds disulfide bonds 
Reduction breaks disulfide bonds 
Aspartic Acid - (-CH2-COOH) 
Serine - -CH2-OH 
-Ser is the residue that was phosphorylated at its primary alcohol side chain for future 
attachment of nanocrystals of HA 
Alanine - Ala has a methyl side chain 
Tyrosine - The side chain of Tyr is a phenol 
Threonine, Thr, T - The side chain of Thr is a secondary alcohol
Examen
Aamc Examination 2 2025/2026 Questions With Solutions Graded A+
zn vs. zn2+ which is more stable - zn in its full e- configuration is more stable. 
think about how these molecules require "ionization energy" to lose electrons, so even if 
ionization E is low, it still takes some energy to take away from the stability of the 
molecule . 
Period - the time it takes for each complete cycle 
Oxidoreductases - dehydrogenases 
transferases - phosphorylase, kinase 
flavin adenine dinucleotide (FAD) - FAD can be reduced to FADH2 
buffer - HA (this side is acid...
Examen
Aamc Exam Test Sheet 2025/2026 Questions With Solutions Graded A+
Assume that S. typhi immediately enters the bloodstream from the small intestine. 
Of the following, which would be the first major organ that bloodborne S. typhi would 
encounter? 
A. 
Stomach 
B. 
Pancreas 
C. 
Large intestine 
D. 
Liver - The answer to this question is D because blood from the small intestine is 
transported first to the liver, which regulates nutrient distribution and removes toxins 
from the blood. 
Researchers have noted that chloramphenicol (a commonly used antibiotic) is...
Examen
Fl 5 Aamc Test Paper Exam 2025/2026 Questions With Solutions Graded A+
operant conditioing - a type of learning in which behavior is strengthened = 
reinforcer or 
diminished = punisher 
Weber's Characteristics of Ideal Bureaucracy - 1) Division of Labour 
- ppl trained to do specific Tasks 
- pro: ppl are better at tasks 
- con: increase alienation in workers; lose touch w/ overall picture 
2) Hierarchy of Organization 
- each position is under supervision of higher authority 
- pro: clarify whose in command 
- con: deprive ppl of a voice in decision making, al...
Examen
Fl 5 Aamc Mcat Standardized Exam 2025/2026 Questions With Solutions Graded A+
What is the name of the ionic compound used to make Buffer B? 
A. 
Ammonium formate 
B. 
Ammonium carbonate 
C. 
Ammonium bicarbonate 
D. 
Ammonium acetate - formate: hco2 
carbonate: Hco3- 
bicarbonate: hco3- 
acetate: ch3cooh 
Which chromatographic technique would most likely separate a mixture of native 
carbonic anhydrase from carbonic anhydrase photochemically modified by CCl3CO2H? 
- Passage says: Native carbonic anhydrase also has a net charge of -2.9 at pH 8.0. 
The photochemical adds ca...
Examen
Fl 4 Aamc Exam 2025/2026 Questions With Solutions Graded A+
A pesticide that inhibits acetylcholinesterase - carbamate 
B. Ordered (Figure 1 shows that the TP substrate binds first without any catalysis) - 
Based on the reaction scheme in Figure 1, what is the mechanism of substrate 
binding to RT? 
A. Random order (Random order would mean either substrate could bind first) 
B. Ordered 
C. Ping-pong (In a ping-pong mechanism, no ternary complex is formed) 
D. Double-displacement (Double-displacement is another term for ping-pong 
mechanism) 
D. Hydrophob...
Examen
Fl 4 Aamc Evaluation Exam 2025/2026 Questions With Solutions Graded A+
The use of pulsed laser radiation in the PRK procedure, as opposed to continuous 
laser radiation, allows the cornea to: 
A. 
absorb more radiation. 
B. 
change its index of refraction. 
C. 
increase the area exposed to radiation. 
D. 
maintain a lower average temperature. - D. 
maintain a lower average temperature, pulsed laser radiation interacts with the cornea 
for a shorter time than a continuous laser radiation, thus less heat is transferred to the 
cornea. This allows the cornea to mainta...
Examen
Aamc Exam With 100% Correct Answers 2025
Le Chatelier's Principle correct answersStates that if a stress is applied to a system at equilibrium, the system shifts in the direction that relieves the stress. 
 
Bose-Einstein Principle correct answersstates that a collection of atoms cooled close to absolute zero will coalesce into a single quantum state 
 
Heisenberg uncertainty principle correct answersStates that one cannot known both the momentum and position of an object with absolute certainty 
 
Pauli Exclusion Principle correct ...
Examen
AAMC MCAT Final Exam 4- Bio 2025 Questions And Verified Answers
AAMC MCAT Final Exam 4- Bio 2025 Questions And Verified Answers
Examen
AAMC MASTERDECK questions well answered already passed
AAMC MASTERDECK questions well answered already passed
Examen
AAMC 3 questions with verified solutions graded A+
AAMC 3 questions with verified solutions graded A+
Examen
AAMC Sample Test Bio/Biochem Practice Questions and Answers
AAMC Sample Test Bio/Biochem Practice 
Questions and Answers 
Hydrolysis of the γ phosphate of GTP bound to Arf1 results in: 
A.denaturation. 
B.activation. 
C.inactivation. 
D.membrane association. - ANSWER-C.inactivation. 
hydrolysis of GTP would result in the formation of GDP in the pocket, which, based on the information in 
the passage, is the inactive form. 
The Arf1-activating molecule GTP is most closely related to which family of biomolecules? 
©EMILLECT 2024/2025 ACADEMIC YEAR. ALL R...
Examen
AAMC FL 3 PS Exam Practice Questions and Answers
AAMC FL 3 PS Exam Practice Questions 
and Answers 
A researcher attempts to replicate studies 1 and 2 with a group of 5-year-olds by using simplified 
versions of the games. Which cognitive limitation is most likely to inhibit the participants' performance 
on the dependent variables? 
A.Lack of object permanence 
B.Limited understanding of conservation 
C.Centration 
D.Egocentrism - ANSWER-egocentrism. the study requires the participants to consider other people 
and egocentrism would stop t...
Examen
AAMC FL 2 PS Exam Practice Questions and Answers
AAMC FL 2 PS Exam Practice Questions 
and Answers 
When comparing the color perception of humans and baboons, similarity in which anatomical structure 
of the eye is most important? 
A.Optic disc 
B.Sclera 
C.Fovea 
D.Lens - ANSWER-color will always be seen more in the fovea because that is where a ton of cones 
are 
"During this phase, the target colors included colors all across the blue-green continuum. The response 
options were always a focal blue and a focal green." - ANSWER-So when ...