I - Final target causes response. II - A ligand binds to the cell surface receptor.
III - The receptor activates a protein at the membrane.
IV Secondary messenger molecules are released.
1. Which of the following correctly places the steps of the signal transduction pathway (shown above) in
order from beginning to end?
a I, II, III, IV
b. II. III. IV.
c. II, III, I, IV
dI ILIY

What happens whenever a net force acts on an object

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users