Biology

Which transcription factor provides a link to allow preferential repair to damaged transcribed genes?

Started by byomi

Which of the following factors is required for high-frequency initiation of transcription by RNA polymerase I?

Started by campbellfam07

The minimal promoters for genes transcribed by RNA polymerase II often extend:

Started by ncasson210

Modification of activity of some promoters by methylation is due to:

Started by bubba123

True or False? A cascade of phage gene expression can begin with an early gene encoding a sigma ...

Started by booty5

Which of the following enzymes can relax negative DNA supercoils?

Started by sc1250

In prokaryotes, the region of a gene bound by RNA polymerase in the open complex prior to initiation ...

Started by parker123

In bacteria, mutation(s) in what location(s) would be most likely to affect transcription rate of a gene?

Started by mt05945

During transcription elongation, how long of a stretch of DNA is in contact with the transcribing ...

Started by Austinleez3

Which of the following MHC proteins are required for helper T-cell function?

Started by elarge

The human IgH locus can produce at least how many different chains?

Started by dekbert

Somatic mutation and class switching involves a(n):

Started by mustachegiraffe

Pseudogenes provide coding regions for which type of segment in avian immunoglobulins?

Started by heyheyhey

An individual B cell expresses how many different types of light chains and heavy chains?

Started by kled

True or False? In a P strain of D. melanogaster, most of the P elements are actively transposing.

Started by madimontg

Which of the following is present in the highest number of copies in the human genome?

Started by JimmyJoe

Translation of which retroviral protein(s) requires ribosome frameshifting?

Started by kms5229

LINEs are similar to retroposons but encode what additional activity?

Started by dongbo

Alu family elements are derived from:

Started by zl00505

What is the current estimate of the minimum number of genes involved in DNA repair in humans?

Started by tyratatyanna

What base is preferentially removed when mispaired with an incorrect base?

Started by mustachegiraffe

In mammals, the DNA polymerase involved in the short-patch DNA repair pathway is:

Started by dongbo

Errors in DNA sequence caused by replication slippage are generally repaired in eukaryotes by which ...

Started by redpassion

Bloom syndrome in humans is caused by mutations in a:

Started by curls713

True or False? Some cases of insulin-dependent diabetes have resulted from loss of sequence between ...

Started by Maddie9229