BIOL2200 MID SEM EXAM 100% Correct Answers Verified Latest 2024 Version
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THE AUTHENTIC
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DNA that encodes information for proteins is within the ________ - nucleus
What makes up the transcription complex that transcribes DNA? - Polymerases and transcription
factors
Transcriptional complexes transcribe DNA into _______ - mRNA
________________ machinery reads mRNA after it has been s...
BIOL2200 MID SEM EXAM | 100% Correct
Answers | Verified | Latest 2024 Version
DNA that encodes information for proteins is within the ________ - ✔✔nucleus
What makes up the transcription complex that transcribes DNA? - ✔✔Polymerases and transcription
factors
Transcriptional complexes transcribe DNA into _______ - ✔✔mRNA
________________ machinery reads mRNA after it has been shuttled into the cytoplasm -
✔✔translational
Where are ribosomes formed? - ✔✔nucleus
______________ make up the translational machinery that reads mRNA - ✔✔Ribosomes
The amino acid chain that forms the protein is the _____________ structure of a protein - ✔✔primary
Alpha helices or beta helices structures are examples of ______________ protein structures -
✔✔secondary
Structural __________ are formed by combinations of secondary structures. - ✔✔motifs
A fully folded single protein is in its _______________ structure - ✔✔tertiary
Proteins often interact with one another to form _______________ - ✔✔complexes
, Two proteins that come together to form a dimer, homo-dimer, trimer or heteroligamers are examples of
proteins in their _________________ structure - ✔✔quaternary
Forming quaternary structures allows proteins to enhance ____________ or stability - ✔✔function
The ___________ structure of viral hemaglutinin occurs when _____ individual trimers connect to
improve function and stability of the viral protein structure - ✔✔trimeric
What unit of measurement are individual proteins usually measured in? - ✔✔kDa (kilodaltons)
What unit of measurement are individual protein complexes or machines usually measured in? -
✔✔mDa (megadaltons)
S units represent ___________ units and is a non-linear measurement of proteins that measures the rate
of sedimentation - ✔✔Svedberg unit
Macromolecular complexes are typically ____ to ____nm in size - ✔✔30-300
How many components make up a ribosome? - ✔✔~100 sub units
A dimer is made up of ____ protein sub units - ✔✔2
Assembly around a ___________ sub unit is a type of protein assembly that is involved in trimer, dimer
formation - ✔✔core/central sub unit
Mitochondrial electron transport chain complexes form using the mode of assembly in which
_____________ sub complexes form prior to full assembly - ✔✔individual
The different sub-unit components of quaternary proteins each have a different ________ to play. These
roles include target recognition or binding, linkers, scaffolding, biomechanical, catalytic/enzymatic or
regulatory functions. - ✔✔individual
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