Each state of the United States selects two senators to represent their states in the United States Senate. In 1913, the 17th Amendment[?] to the United States Constitution provided for the direct popular election of senators; prior to this, senators were selected by state legislatures.
... the Calvin cycle in the form of CO2 and leaves in the form of a carbohydrate such as sugar, with the reaction being driven by ATP and NADPH. This ATP and NADPH is usually ...