Semmelweis Entrance Exam Medicine Biology EXAM
REAL QUESTIONS AND CORRECT VERIFIED ANSWERS
WITH DETALED RATIONALES (100% CORRECT
VERIFIED ANSWERS) CURRENTLY UPDATED VERSION
2026 EDITION |GUARANTEED PASS A+ |FULL
REVISED EXAM
What are hydrogen bonds?
a special type of dipole-dipole attraction between molecules, not a
covalent bond to a hydrogen atom. It results from the attractive
force between a hydrogen atom covalently bonded to a very
electronegative atom such as a N, O, or F atom and another very
electronegative atom
,Why is DNA antiparallel?
so that the paired bases can face each other
what is mRNA?
Messenger RNA: Encodes amino acid sequence of a polypeptide
What is tRNA?
transfer RNA. It carries amino acids around during translation.
What is rRNA?
Ribosomal RNA. with ribosomal proteins, makes up the ribosomes,
the organelles that translate the mRNA
what is snRNA?
small nuclear RNA. with proteins, forms complexes that are used in
RNA processing in eukaryotes
What are enzymes?
biological catalysts. They are globular proteins that can speed up a
biochemical reaction. Alternative pathway
What is glycolysis?
the breakdown of glucose by enzymes, releasing energy and
pyruvic acid.
, What is the kreb's cycle?
second stage of cellular respiration, in which pyruvic acid is broken
down into carbon dioxide in a series of energy-extracting reactions
What is the mechanism of ATP production in the mitochondria?
located in the inner mitochondrial membrane, allows the protons to
diffuse back across the membrane to the matrix. ATP synthase uses
the energy that the protons release as they diffuse down the
concentration gradient to produce ATP
What is the net yield of ATP in cellular respiration?
38 total
2 in glycolysis
2 in Krebs's cycle
34 in chemiosmosis (electron transport chain)
What is DNA replication?
the process of copying DNA
What is DNA transcription?
the organic process whereby the DNA sequence in a gene is copied
into mRNA
What is translation?
the decoding of an mRNA message into amino acids which
ultimately form protein
REAL QUESTIONS AND CORRECT VERIFIED ANSWERS
WITH DETALED RATIONALES (100% CORRECT
VERIFIED ANSWERS) CURRENTLY UPDATED VERSION
2026 EDITION |GUARANTEED PASS A+ |FULL
REVISED EXAM
What are hydrogen bonds?
a special type of dipole-dipole attraction between molecules, not a
covalent bond to a hydrogen atom. It results from the attractive
force between a hydrogen atom covalently bonded to a very
electronegative atom such as a N, O, or F atom and another very
electronegative atom
,Why is DNA antiparallel?
so that the paired bases can face each other
what is mRNA?
Messenger RNA: Encodes amino acid sequence of a polypeptide
What is tRNA?
transfer RNA. It carries amino acids around during translation.
What is rRNA?
Ribosomal RNA. with ribosomal proteins, makes up the ribosomes,
the organelles that translate the mRNA
what is snRNA?
small nuclear RNA. with proteins, forms complexes that are used in
RNA processing in eukaryotes
What are enzymes?
biological catalysts. They are globular proteins that can speed up a
biochemical reaction. Alternative pathway
What is glycolysis?
the breakdown of glucose by enzymes, releasing energy and
pyruvic acid.
, What is the kreb's cycle?
second stage of cellular respiration, in which pyruvic acid is broken
down into carbon dioxide in a series of energy-extracting reactions
What is the mechanism of ATP production in the mitochondria?
located in the inner mitochondrial membrane, allows the protons to
diffuse back across the membrane to the matrix. ATP synthase uses
the energy that the protons release as they diffuse down the
concentration gradient to produce ATP
What is the net yield of ATP in cellular respiration?
38 total
2 in glycolysis
2 in Krebs's cycle
34 in chemiosmosis (electron transport chain)
What is DNA replication?
the process of copying DNA
What is DNA transcription?
the organic process whereby the DNA sequence in a gene is copied
into mRNA
What is translation?
the decoding of an mRNA message into amino acids which
ultimately form protein
