Biology

A researcher wants to mutagenize an organism. She is not in need of a large number of mutants but is ...

Started by jhjkgdfhk

A researcher is interested in testing the role for a highly-conserved amino acid in the function of ...

Started by rosent76

A mutagenesis screen provides 24 alleles shown by complementation analysis to be in the same gene, ...

Started by darbym82

A gene,VTE4,from the sunflower of known sequence and well-understood transcriptional regulation, is ...

Started by Pineapplelove6

The gene encoding coat color is X-linked, and male cats have a single copy of the X chromosome. They ...

Started by tingc95

Scientists can create transgenic organisms by inserting foreign DNA randomly into the chromosomes of ...

Started by cool

How does transcription inhibition differ between prokaryotes and eukaryotes? Describe the two ...

Started by jerry coleman

Explain how genomic imprinting can effect gene expression in mammalian embryos?

Started by mmm

Demethylation and acetylation lead to open chromatin structure and are associated with ________ ...

Started by Beheh

Viruses with dsRNA genomes evolved a long time ago and can be found in parasitic relationships with ...

Started by anshika

Which protein complex directs DNA bending into loops that contact RNA polymerase and transcription ...

Started by dollx

Which enzyme cuts dsRNA into 21-25 bp fragments during RNAi?

Started by clippers!

What are the protein-binding sequences that direct enhancers to interact with the intended promoter ...

Started by cabate

In theGALgene system, which protein binds to the activation domain of the activator protein, ...

Started by jenna1

For the following gene, which type of regulatory sequence has likely been deleted in mutant 1?

Started by jessicacav

A transcription factor that binds to a gene first and facilitates the binding of other transcription ...

Started by imanialler

What effect does methylation of CpG islands have on human promoters?

Started by sheilaspns

What are the three mechanisms by which chromatin remodelers can move nucleosomes?

Started by yoroshambo

If you block histone deacetylase, what effect would you expect to see on transcriptional activity?

Started by geoffrey

Gal4 is mutated such that it still binds to the DNA but cannot interact with Gal80. What effect ...

Started by geodog55

For the following gene, which mutant likely has lost its enhancer?

Started by yoroshambo

You have identified a mutation in a gene that seems to decrease transcription of another gene 2000 ...

Started by ec501234

Which of the following would you expect to show the least evolutionary conservation?

Started by khang

When CpG islands are unmethylated, ________.

Started by viki

Typically, methylation of nucleosome N-terminal tails leads to ________.

Started by mckennatimberlake