The phrase "became deficient" is correct and usable in written English.
It means that something or someone has become inadequate or lacking in some way. Example: "After years of poor nutrition, her body slowly became deficient in essential vitamins and minerals."
Primary murine fibroblasts became deficient in a G1 checkpoint activated by ionizing radiation (IR) when both wild-type p53 alleles were disrupted.
Total myocardial copper levels became deficient in untreated diabetes but were normalized by TETA-treatment.
Our division of function hypothesis, with its assumption that the proto-nucleus became deficient in certain life functions before internalization, provides a solution for this difficulty, in that a transition period in which its membrane proteins had reduced functionality would not necessarily be fatal if its symbiotic partners were providing it with proteins, ATP, and other metabolites.
However, in diseases such as osteoporosis this process becomes deficient and microcracks can accumulate.
The immune response itself may become deficient in human diseases involving white cells, such as multiple myeloma, macroglobulinemia, Hodgkin lymphoma, and chronic lymphocytic leukemia.
However, when vitamin D serum concentrations become deficient, the body will remove calcium from bone to maintain normal calcium blood levels.
When that becomes deficient in a diet this condition tends to kick in and the protein energy malnutrition would mean low calories and low protein.
To test this idea, we obtained orexin/ataxin-3 (O/A3) mice, which become deficient in orexin neurons by about 12 weeks of age.
"It is perfectly fine to be a vegetarian, but you should take care about what you're eating to ensure you don't become deficient in nutrients such as iron, zinc and B vitamins," says Rohrmann.
The immune response itself may become deficient in human diseases involving white cells, such as multiple myeloma, macroglobulinemia, Hodgkin's disease, and chronic lymphocytic leukemia.
Vitamin D, most of which results from exposure to the sun's ultraviolet rays, is needed to absorb calcium from the diet, and many people in northern latitudes become deficient in vitamin D during the winter.
