Amajor group of g protein-coupled receptors contains seven transmembrane α helices. the amino end of the protein lies at the exterior of the plasma membrane. loops of amino acids connect the helices either at the exterior face or on the cytosol face of the membrane. the loop on the cytosol side between helices 5 and 6 is usually substantially longer than the others.
where would you expect to find the carboxyl end?

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Describe the two types of vascular tissue

Which type of neuron stimulates muscles to contract?