Answer:
D. provitamin.
Explanation:
A provitamin is a substance that the body can transform into an active vitamin through metabolic processes. If compared with vitamins, provitamins have no biological activity or are much lower. In other words, provitamins are vitamin precursors.
Although not very frequent, sometimes you can see the term previtamin used as a synonym.
For example, beta-carotene, the most abundant carotenoid in nature, has about one sixth of the biological activity of retinol, or vitamin A, but can be transformed into retinol in the liver by an enzymatic reaction.
Answer:
Maslow's hierarchy of needs is a motivational theory in psychology ... This five-stage model can be divided into deficiency needs and growth needs. ... Also, the motivation to fulfill such needs will become stronger the ... Self-actualized people are those who were fulfilled and doing all they were capable of.
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