Top Hats Flashcards
A point mutation (change in a single nucleotide base) is likely to have the most severe impact on gene function when it occurs in which region:
The exon
Considering the influence of U1 snRNA on transcription, what would you predict the impact on gene expression to be if the length of the first exon of a gene is increased?
Less expression
Why is the prokaryotic ribosome inhibitor clindamycin used to treat infections with certain eukaryotic protozoan parasites?
These protozoan parasites possess both eukaryotic and prokaryotic ribosomes.
Most mitochondrial diseases are caused by mutations in the ___________ genome.
Nuclear
Based on our discussion thus far about the cytoskeleton, what cell division defects would result from inhibiting actin polymerization?
Failure to separate a dividing cell into two distinct daughter cells.
What is correct for a protein destined to be inserted into the plasma membrane?
It would traffic through the constitutive exocytosis pathway.
The permeability of a membrane to a particular ion is dependent upon which of the following?
The presence of open channels in that membrane.
