Cholodny-Went model
... that, according to the Cholodny-Went model, the roots of plants grow downward and the shoots grow towards light because of the plant hormone auxin?
... that, according to the <b id="mwDiE"><a class="mw-redirect" href="./Cholodny-Went_model" id="mwDiI" rel="mw:WikiLink" title="Cholodny-Went model">Cholodny-Went model</a></b>, the roots of plants grow downward and the shoots grow towards light because of the plant hormone <a href="./Auxin" id="mwDiM" rel="mw:WikiLink" title="Auxin">auxin</a>?