Sentences with phrase «in a given cell»

While all cells in a specific organism share the identical DNA sequence, only a fraction of those genes are activated in a given cell type.

In the study, scientists examined all of the genes that turn «on» or «off» in any given cell during normal development.

When I play this with my classes, students take turns in giving a cell reference which I then click on to display the square underneath.

But one might ask, when in a given cell, how likely is it to shift to another cell the next month?

However, in any given cell type, only a fraction of this information is actually used.

The pattern of which genes are expressed in a given cell is what distinguishes a neuron from, say, a liver cell.

Hox genes are arranged in particular clusters on an animal genome and only a subset of Hox genes are active in a given cell.

Epigenetic modifications, achieved along the genome by the chemical attachment of methyl molecules, or tags, to DNA, are reversible changes that alter which genes are turned on or off in a given cell without actually altering the DNA sequence of the cell.

«This approach will allow us to increase spatial and temporal control over the tagging of proteins synthesized in a given cell.»

The number in a given cell varies widely...

Only a subset of these loci becomes fragile in a given cell type, and their combination varies from one cell type to the other.

Proteomics — the large - scale study of proteins, particularly their structure and function — combined with transcriptomics — the examination of the expression level of messenger ribonucleic acids (mRNAs) in a given cell population - played a significant role in the recent derivation of a combined protein and gene list that constitutes one of the largest descriptive data sets of its kind.

Proteostasis is a very complex network of various pathways that interact to maintain protein homeostasis, the process through which protein integrity is conserved in a given cell in a specific moment.

It is important to note in this respect that DNA methylation is a binary signal, that is, a site is either methylated or unmethylated in a given cell.

Raleigh's group also looked at DNA methylation — chemical modifications of the genomic material that affects whether or not specific genes are expressed in a given cell.

Although nearly all human cell types contain every one of our 20,000 - odd genes, «most are shut off in any given cell type because they are packed up and unable to serve as a template for proteins,» Lewis says.

In a given cell, the forefeet attitudes belonging to the cell's row are paired with the hind feet postures belonging to the cell's column.

In any given cell, certain chromatin states tend to be marked with specific histone modifications:

Chromatin structure plays an important role in regulating what genes are created, or expressed, in a given cell.