P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
MCAT Ultimate Exam
Questions & Answers
Complete Updated
2026/2027
Verified Answers Exam Ready 898 QUESTIONS
DOCUMENT OVERVIEW
This comprehensive MCAT preparation document contains 898 questions with pre-
provided correct answers and explanations, suitable for a broad range of scientific and
social science concepts. Featuring diagrams, it directly aligns with MCAT study needs,
offering an efficient tool for review and certification preparation. This resource is designed
for effective learning and mastery of essential MCAT material.
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 898
(III) Differences between the right and left ventricle of the heart
RESPONSE
Right ventricle: feeds pulmonary circulation; generates less force and faces less resistance (bc
circulation is much shorter)
Left ventricle: feeds systemic circulation, generates more force and faces more resistance (bc
longer circulation)
Page 1
, Q2 QUESTION 2 OF 898
(III) In an electric field (such as one that would be used in SDS PAGE), what charges are the
anodes and cathodes?
RESPONSE
Anode: positively charged
Cathode: negatively charged
Q3 QUESTION 3 OF 898
(III) What is mutarotation?
RESPONSE
The initial opening and subsequent closing of a cyclic hemiacetal chain, resulting in a mixture
of anomers (alpha and beta)
Q4 QUESTION 4 OF 898
(III) What is the difference between (d)- and D- configurations in stereochemistry?
RESPONSE
(d)- means dextrorotatory. D- refers to a molecule with a chiral carbon similar to D-
glyceraldehyde (which is actually levorotatory)
Q5 QUESTION 5 OF 898
(III) What is a vector?
RESPONSE
The sum of all displacements
Q6 QUESTION 6 OF 898
(III) What is the essence of the continuity equation (in laminar flow)?
Page 2
, RESPONSE
While velocity of fluid at a more narrow point (smaller cross-sectional area) is greater than at
wider points, the volume displaced per given time is always the same
Q7 QUESTION 7 OF 898
(III) Why does it matter whether a pipe is open or closed when understanding sound
harmonics?
RESPONSE
If a pipe has one closed end, then only odd harmonics can exist
Q8 QUESTION 8 OF 898
(III) How does one calculate efficiency?
RESPONSE
(load x load distance) / (effort x effort distance)
Work output / Work input
Q9 QUESTION 9 OF 898
(III) What is Benedict's reagent?
RESPONSE
A common reagent used to test for reducing sugars (sugars with hemiacetal groups)
Q10 QUESTION 10 OF 898
(III) How do we number a sugar chain that forms rings?
Page 3
, RESPONSE
Number them in the direction from left to right in the planar structure, right to left in the chair
conformation (from the nucleophilic substituent to the carbonyl carbon)
Q11 QUESTION 11 OF 898
(III) When an enzyme is saturated with substrate, what effect does adding more substrate
do?
RESPONSE
No significant effect
Q12 QUESTION 12 OF 898
(III) What is the periodic trend of effective nuclear charge?
RESPONSE
it increases from left to right across periodic table because of increase in positive charge in
nucleus
it decreases as one descends a group because of a larger electron cloud (more inner electrons)
Q13 QUESTION 13 OF 898
(III) What is the primary factor that changes a solubility product constant (Ksp)?
RESPONSE
Temperature
Important Takeaway: Concentrations do NOT affect Ksp
Q14 QUESTION 14 OF 898
(III) What changes during a phase change?
Page 4
MCAT Ultimate Exam
Questions & Answers
Complete Updated
2026/2027
Verified Answers Exam Ready 898 QUESTIONS
DOCUMENT OVERVIEW
This comprehensive MCAT preparation document contains 898 questions with pre-
provided correct answers and explanations, suitable for a broad range of scientific and
social science concepts. Featuring diagrams, it directly aligns with MCAT study needs,
offering an efficient tool for review and certification preparation. This resource is designed
for effective learning and mastery of essential MCAT material.
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 898
(III) Differences between the right and left ventricle of the heart
RESPONSE
Right ventricle: feeds pulmonary circulation; generates less force and faces less resistance (bc
circulation is much shorter)
Left ventricle: feeds systemic circulation, generates more force and faces more resistance (bc
longer circulation)
Page 1
, Q2 QUESTION 2 OF 898
(III) In an electric field (such as one that would be used in SDS PAGE), what charges are the
anodes and cathodes?
RESPONSE
Anode: positively charged
Cathode: negatively charged
Q3 QUESTION 3 OF 898
(III) What is mutarotation?
RESPONSE
The initial opening and subsequent closing of a cyclic hemiacetal chain, resulting in a mixture
of anomers (alpha and beta)
Q4 QUESTION 4 OF 898
(III) What is the difference between (d)- and D- configurations in stereochemistry?
RESPONSE
(d)- means dextrorotatory. D- refers to a molecule with a chiral carbon similar to D-
glyceraldehyde (which is actually levorotatory)
Q5 QUESTION 5 OF 898
(III) What is a vector?
RESPONSE
The sum of all displacements
Q6 QUESTION 6 OF 898
(III) What is the essence of the continuity equation (in laminar flow)?
Page 2
, RESPONSE
While velocity of fluid at a more narrow point (smaller cross-sectional area) is greater than at
wider points, the volume displaced per given time is always the same
Q7 QUESTION 7 OF 898
(III) Why does it matter whether a pipe is open or closed when understanding sound
harmonics?
RESPONSE
If a pipe has one closed end, then only odd harmonics can exist
Q8 QUESTION 8 OF 898
(III) How does one calculate efficiency?
RESPONSE
(load x load distance) / (effort x effort distance)
Work output / Work input
Q9 QUESTION 9 OF 898
(III) What is Benedict's reagent?
RESPONSE
A common reagent used to test for reducing sugars (sugars with hemiacetal groups)
Q10 QUESTION 10 OF 898
(III) How do we number a sugar chain that forms rings?
Page 3
, RESPONSE
Number them in the direction from left to right in the planar structure, right to left in the chair
conformation (from the nucleophilic substituent to the carbonyl carbon)
Q11 QUESTION 11 OF 898
(III) When an enzyme is saturated with substrate, what effect does adding more substrate
do?
RESPONSE
No significant effect
Q12 QUESTION 12 OF 898
(III) What is the periodic trend of effective nuclear charge?
RESPONSE
it increases from left to right across periodic table because of increase in positive charge in
nucleus
it decreases as one descends a group because of a larger electron cloud (more inner electrons)
Q13 QUESTION 13 OF 898
(III) What is the primary factor that changes a solubility product constant (Ksp)?
RESPONSE
Temperature
Important Takeaway: Concentrations do NOT affect Ksp
Q14 QUESTION 14 OF 898
(III) What changes during a phase change?
Page 4
