PRINCIPLES OF BIOCHEMISTRYFINAL EXAM ACTUAL
2026 QUESTIONS AND VERIFIED ANSWERS
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Terms in this set (120)
During protein synthesis in eukaryotes, the first amino a methionine
acid incorporated into the polypeptide chain is
____________
A. any of the 20 standard amino acids
B. a methionine
C. always inosinate
D. an alnine
DNA contains 2 antiparallel strands of nucleotides 3'->5' phosphodiester linkages
joined by
Eukaryotic DNA molecules are packaged with histones a nucleosome
to form ___________, which is the fundamental unit of
chromatin
, What is a nucleosome composed of? histones H2A, H2B, H3, H4 (two molecules each) and 146 bp of DNA
Name this type of RNA: mRNA
Carries genetic information from the gene to a
ribosome, where the corresponding protein can be
synthesized
Name this type of RNA: rRNA
An integral part of ribosomes, accounts for ~80% of
RNA in cells
Name this type of RNA: tRNA
Carries activated amino acids to ribosomes for
polypeptide synthesis
Name this type of RNA: small RNA
has catalytic activity (catalyze cleavage of RNA) or
associates with proteins to enhance activity
DNA double helix unwinds at a specific point known as origin of replication (Ori)
the
Prokaryotes have ______ (one/multiple) Ori, while one; multiple
Eukaryotes have ________ (one/multiple)
DNA replication is ________ (unidirectional/ bidirectional) bidirectional
What is the function of DNA polymerase III? synthesizes new DNA strand
2026 QUESTIONS AND VERIFIED ANSWERS
Play your way to mastery with fun games
Match Blocks Charms NEW
Students also studied
Flashcard sets Study guides
MMBIO 441 EXAM 1 FINAL MCB 250 Exam 1 AQA A Level Biology Paper 2 - Ques... MB
Teacher 106 terms Teacher 29 terms Teacher 51 terms Te
EXTENSION123 Preview P majesticsir-me Preview bluesonem Preview
Terms in this set (120)
During protein synthesis in eukaryotes, the first amino a methionine
acid incorporated into the polypeptide chain is
____________
A. any of the 20 standard amino acids
B. a methionine
C. always inosinate
D. an alnine
DNA contains 2 antiparallel strands of nucleotides 3'->5' phosphodiester linkages
joined by
Eukaryotic DNA molecules are packaged with histones a nucleosome
to form ___________, which is the fundamental unit of
chromatin
, What is a nucleosome composed of? histones H2A, H2B, H3, H4 (two molecules each) and 146 bp of DNA
Name this type of RNA: mRNA
Carries genetic information from the gene to a
ribosome, where the corresponding protein can be
synthesized
Name this type of RNA: rRNA
An integral part of ribosomes, accounts for ~80% of
RNA in cells
Name this type of RNA: tRNA
Carries activated amino acids to ribosomes for
polypeptide synthesis
Name this type of RNA: small RNA
has catalytic activity (catalyze cleavage of RNA) or
associates with proteins to enhance activity
DNA double helix unwinds at a specific point known as origin of replication (Ori)
the
Prokaryotes have ______ (one/multiple) Ori, while one; multiple
Eukaryotes have ________ (one/multiple)
DNA replication is ________ (unidirectional/ bidirectional) bidirectional
What is the function of DNA polymerase III? synthesizes new DNA strand
