The phrase "also are contained" is correct and usable in written English.
It can be used when indicating that something is included or found within a larger context or set of items.
Example: "In addition to the main features, several additional tools also are contained in the software package."
Alternatives: "are also included" or "are also found".
Fibres and parenchyma cells also are contained in bark, as well as some specialized cells, and the bark of some softwood species possesses resin canals.
Cellular localization signals also are contained in start sites, which makes accurate start site predictions important for accurately determining the localization of proteins within a cell.
Structural studies of a series of other monodentate N-dA adducts arising from styrene oxide and butadiene epoxides suggest that they also are contained within the major groove but induce less structural perturbation of Watson−Crick base pairing in DNA.
A small amount of DNA of critical importance to metabolism also is contained in cellular organelles called mitochondria.
Each cover should contain a graphic representation of that year's scientific experiment and titles of other feature articles about important historical events that would also be contained in that issue.
Just as the Sunni insurgency was (of which Isis is a re-branded version), Isis can also be contained, forced to disintegrate and then, eventually, eliminated.
A popular type of heat pump has an outdoor unit containing a compressor and condenser that works with an indoor unit (although heat pumps can also be contained in one unit).
In addition more detailed information about the applications in a real system may also be contained in.
Moreover, to enhance the flexibility of PRG, the preset power reference should also be contained in the PRG.
Depending on the state law, some provisions, such as preemptive right to purchase future shares, must also be contained in the Articles to be effective.
(An isolated DNA may also be contained in a "complementary DNA," or cDNA, with an identical sequence, a useful format for laboratory work).
