Which is the basic unit of heredity that carries the trait of albinism from parent to offspring?

The answer is reflection.

It would be a rusting car, for sure 

The entire regulatory control of the cell cycle is mediated by cyclin dependent protein kinases. its activity is modulated by the presense of different types of cyclins, which change based on the different phases of the cell cycle (eg there are g1, s, and m cyclins).

This depends on the neurotransmitter deficiency. neurotransmitters are often decreased or imbalanced in the setting of mental health or psychiatric disorders as well as various neurologic disorders. for instance, the deficiency of the neurotransmitter dopamine is one of the main etiologic causes of parkinson's disease; the deficiency of the most abundant neurotransmitter acetylcholine will lead to body weakness similar to myasthenia gravis or lambert-eaton syndrome. in conclusion, the affectation of low levels of neurotransmitters depends on the neurotransmitter involved.