Sentence examples for modifications must exist from inspiring English sources

Thus, a measure of rivalry between different post-translational modifications must exist, where the addition of one chemical group to a given residue precludes further modifications [ 3].

The ATA codon frequently appears in these genomes, so either a unique and unknown modification system must exist [ 42], or they import a tRNA.

Modifications must be similarly licensed.

Hence, some modifications must be applied in the proposed method.

Any modifications must be reviewed by the Historic Preservation Commission.

Since significant quantities of 5-methylcytosine are produced in bacterial cells during the modification of DNA, a metabolic pathway must exist for the catabolism of this compound.

Since the cause is existent, the effect also must exist.

For faithful re-establishment of the parental epigenome, a link must exist between the DNA replication fork and the factors that propagate DNA modifications, histone modifications, the correct incorporation of histone variants and other non-histone chromatin proteins (Alabert & Groth, 2012; MacAlpine & Almouzni, 2013).

We now realize that the strict Lamarckian scenario is extremely demanding in that a molecular mechanism must exist for the effect of a phenotypic change to be channeled into the corresponding modification of the genome (mutation).

Furthermore, there are so-called singularity theorems which predict that such singularities must exist within the universe if the laws of general relativity were to hold without any quantum modifications.

The rest, however, must exist.