expression level of vs expression levels of

Both phrases are correct, but they are used in different contexts. 'Expression level of' is used when referring to a singular expression level, while 'expression levels of' is used when referring to multiple expression levels.

Last updated: March 29, 2024 • 650 views

This phrase is correct when referring to a singular expression level.

"expression level of "

Use 'expression level of' when talking about a single level of expression, for example, 'The expression level of gene X is high.'

Examples:

The expression level of the protein was measured using a fluorescence assay.

Show examples from the web [+]

If it is the case, the authorisation holder shall collate information on the expression levels of the newly expressed proteins.
Commitments are an expression of the level of the EU's political ambition.
Data on expression levels from those parts of the plant used for food and feed purposes shall be provided in all cases.
rate and level of expression of the new genetic material.
In this guidance expression is also a measure of the anticipated or known level of expression of the inserted genetic material.
I thank the President for this response and should like, at the same time, to give expression to a certain level of astonishment about the fact that there is talk of a war between two factions.
The expression of emission levels measured as mg/Nm3 to a reference oxygen concentration is not applicable
He praised the work and policies of President Lukashenko and acknowledged the high election turn-out as being an expression of the high level of admiration and love of the people for their president.
The expression level successfully completed must be associated with obtaining a certificate or a diploma, when there is certification.
Shape, form and color can't even approach our tactile level of artistic expression.
It is desirable to ensure a certain level of consistency in the development of additional forms of expression and presentation of the nutrition declaration.
In general, however, higher levels of resistance resulted from the co- expression of greater numbers of substitutions at the eleven identified positions.
We must certainly raise the level of the debate from that of the petty wrangling of party politics to an expression of a position worthy of this Parliament.
We have to strike a fair balance by ensuring an equivalent level of punishment for words and actions that incite violence and hatred, while at the same time guaranteeing the right to freedom of expression.
On the other hand, there is the principle of freedom of expression and the concern to maintain a high level of legal security in Europe.
As mentioned before, the key chemical characteristics attributing the agronomic properties which characterised the product concerned were the expression of the N content and the overall level of N and AN.
Recognises that the GNI resource is less visible for citizens but equitable in relating contributions to the general level of prosperity of Member States and an expression of solidarity between them;
4. The expression of the characteristics referred to in paragraph 2, first indent, may be either invariable or variable between variety constituents of the same kind provided that also the level of variation results from the genotype or combination of genotypes.
In my opinion, the most important requirements are to secure the independence of the judiciary, the level of freedom of expression in the media, a stronger civil society and better political dialogue.
Two key features characterise the chemical composition of the product concerned: the expression of the N content and the overall level of the N and AN content.

Alternatives:

level of expression

This phrase is correct when referring to multiple expression levels.

"expression levels of"

Use 'expression levels of' when discussing multiple levels of expression, for example, 'The study compared the expression levels of different genes.'

Examples:

The research focused on analyzing the expression levels of various cytokines.

Show examples from the web [+]

If it is the case, the authorisation holder shall collate information on the expression levels of the newly expressed proteins.
Commitments are an expression of the level of the EU's political ambition.
Data on expression levels from those parts of the plant used for food and feed purposes shall be provided in all cases.
rate and level of expression of the new genetic material.
In this guidance expression is also a measure of the anticipated or known level of expression of the inserted genetic material.
I thank the President for this response and should like, at the same time, to give expression to a certain level of astonishment about the fact that there is talk of a war between two factions.
The expression of emission levels measured as mg/Nm3 to a reference oxygen concentration is not applicable
He praised the work and policies of President Lukashenko and acknowledged the high election turn-out as being an expression of the high level of admiration and love of the people for their president.
The expression level successfully completed must be associated with obtaining a certificate or a diploma, when there is certification.
Shape, form and color can't even approach our tactile level of artistic expression.
It is desirable to ensure a certain level of consistency in the development of additional forms of expression and presentation of the nutrition declaration.
In general, however, higher levels of resistance resulted from the co- expression of greater numbers of substitutions at the eleven identified positions.
We must certainly raise the level of the debate from that of the petty wrangling of party politics to an expression of a position worthy of this Parliament.
We have to strike a fair balance by ensuring an equivalent level of punishment for words and actions that incite violence and hatred, while at the same time guaranteeing the right to freedom of expression.
On the other hand, there is the principle of freedom of expression and the concern to maintain a high level of legal security in Europe.
As mentioned before, the key chemical characteristics attributing the agronomic properties which characterised the product concerned were the expression of the N content and the overall level of N and AN.
Recognises that the GNI resource is less visible for citizens but equitable in relating contributions to the general level of prosperity of Member States and an expression of solidarity between them;
4. The expression of the characteristics referred to in paragraph 2, first indent, may be either invariable or variable between variety constituents of the same kind provided that also the level of variation results from the genotype or combination of genotypes.
In my opinion, the most important requirements are to secure the independence of the judiciary, the level of freedom of expression in the media, a stronger civil society and better political dialogue.
Two key features characterise the chemical composition of the product concerned: the expression of the N content and the overall level of the N and AN content.

Alternatives:

levels of expression

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expression level of vs expression levels of