Bioactive food components exhibit beneficial effects including（）.

The most bioactive thyroid hormone is () A: monoiodotyrosine B: diiodotyrosine C: triiodothyronine D: tetraiodothyronine E: r- triiodothyronine

The most bioactive thyroid hormone is<br/>() A: monoiodotyrosine B: diiodotyrosine C: triiodothyronine D: tetraiodothyronine E: r- triiodothyronine

Which of the following narrative about hormones is wrong? ____ A: Hormones are highly bioactive substances secreted by various glands in the body B: Most hormones are transported to target cells long distance away through blood circulation C: Some hormones can diffuse to adjacent cells through tissue fluid D: Hormones secreted by nerve cells can reach the adenohypophysis through the pituitary portal vein