List two main differences between the processes of transcription and DNA replication
What will be an ideal response?
ANSWER: Only one DNA strand is used as a template for transcription but both are used as templates
for DNA replication. Only a small portion of the DNA strand, the coding sequence of a gene,
is used as a template for transcription whereas the entirety of both strands of DNA is used as
a template for replication.
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Two reasons for two selectable markers in a YAC vector are:
A. to insure the EcoRI digest is complete. B. to insure the desired recombinant construct has telomeres on both ends. C. to contribute to the centromere structure. D. to increase transformation efficiency. E. to eliminate the possibility of screening unstable recombinants.
What is a clone?
A) a protein produced by a recombinant bacterium B) any animal that contains recombinant DNA C) any cell that contains recombinant DNA D) an exact copy of a DNA, cell, or organism
Which statement is not true about eukaryotic ribosomes?
A) Ribosomes found in mitochondria are 70S rather than the 80S type found in the cytoplasm. B) Both bound and free ribosomes consist of a 40S and a 60S subunit. C) Bound ribosomes produce proteins that are destined for secretion from the cell. D) Bound ribosomes are attached to the endoplasmic reticulum (ER). E) Bound ribosomes are always bound while free ribosomes are always free.
What is the name of the first cervical vertebra?
What will be an ideal response?