The phrase "abundant and needed" is correct and usable in written English.
You can use it to describe something that is plentiful and necessary in a particular context.
Example: "The resources available for the project are abundant and needed to ensure its success."
Alternatives: "plentiful and essential" or "ample and required."
The kinetic properties of GS1a indicate a lower affinity of this isoenzyme for the three substrates, when compared to its cytosolic counterpart GS1b, but a higher specific synthetase activity (GSs), which reflect an enzyme more suited to a metabolic environment where ammonium is expected to be highly abundant, and needs to be quickly assimilated, in order to prevent toxic effects.
Nuclear power, however, has far more abundant potential and needs only the lifting of government barriers rather than subsidies.
When samples were subjected to SDS-PAGE without prefractionation, high abundant proteins were apparent and needed to be reduced to enrich low abundant proteins.
The message then deftly recruited Congress as a partner in the impending war by requesting 400,000 men and $400 million in financing: "The material for the work is abundant, and … needs only the hand of legislation to give it practical shape and efficiency".
Although more advanced methods now exist, engineers find them challenging to use because of the abundant data needed and intensive data analyses.
The government-owned land offered affordable, wide-open spaces and the abundant sunshine needed by solar thermal plants, which use huge arrays of mirrors to heat liquids to create steam that drives electricity-generating turbines.
The fried calamari were crisp, abundant and sweet, but needed a dipping sauce.
That robbed the region of the abundant precipitation needed to maintain the forests.
This retention of MCMs on chromatin can be sufficient to complete replication given that chromatin-associated MCMs at the onset of S phase are known to be greater than fivefold more abundant than needed to complete synthesis.
Glucose and glutamine are the most abundant circulating nutrients needed to support the growth and proliferation of all cells, particularly not limited to rapidly dividing cancer cells.
