Examine the model enzyme pictured below. In the empty box, illustrate what shape an appropriate substrate would have to be in order to interact with this enzyme.

i need an image of the diagram

cell division is not regulated in tumor cells.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.