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Question 1
In medical cytology, which cellular organelle contains acid hydrolase enzymes responsible for the intracellular degradation of macromolecules, phagocytosed pathogens, and worn-out cellular organelles (autophagy)?
Correct Answer:
Lysosome (Lisossomo)
Question 2
During the transcription phase of eukaryotic protein synthesis, which enzyme is primarily responsible for synthesizing pre-messenger RNA (pre-mRNA) by reading the DNA template strand in the 3' to 5' direction?
Correct Answer:
RNA Polymerase II (RNA Polimerase II)
Question 3
In trigonometry, what is the exact general solution for the equation cos(2x) = 1/2 in radians?
Correct Answer:
x = +- pi/6 + k*pi, where k is an integer in Z
Question 4
What is the molar concentration (molarity) of a solution prepared by dissolving 11.7 g of sodium chloride (NaCl, molar mass = 58.5 g/mol) in sufficient distilled water to make a total volume of 500 mL of solution?
Correct Answer:
0.40 mol/L
Question 5
Calculate the standard enthalpy of combustion (Delta_H_c) of methane gas according to the thermochemical equation: CH4(g) + 2 O2(g) -> CO2(g) + 2 H2O(l). Given standard enthalpies of formation: Delta_H_f(CH4) = -75 kJ/mol, Delta_H_f(CO2) = -394 kJ/mol, and Delta_H_f(H2O_l) = -286 kJ/mol.
Correct Answer:
-891 kJ/mol
Question 1
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Prepare with the UMN Exame de Acesso Practice Questions - Universidade Mandume Ya Ndemufayo University Entrance Examination (Exames de Acesso UMN) Exam practice quiz. This question bank includes 20 questions covering solution, delta, central, equation, and molar. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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UMN Exame de Acesso Practice Questions - Universidade Mandume Ya Ndemufayo University Entrance Examination (Exames de Acesso UMN) Exam

This practice set contains 20 questions from the matching question bank and focuses on solution, delta, central, equation, and molar. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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