Answer:
A. The complementary shapes of an enzyme and a substrate
Explanation:
The Lock-and-Key model was made to show how an enzyme's active zone fits a substrate and how they bond together. It correlates just like a lock and a key; you have to have the correct-shaped key in order to open a lock. Same process of thought with the enzymes; you must have the same shape for both in order to bind together,
Answer:
C.
Explanation:
The axial skeleton include the vertebrae, sacrum, coccyx, ribs, and sternum. The main focus of these is to protect the vital organs. The appendicular skeleton is made up of pectoral and pelvic girdle along with forearms, hands, feet, ankle. The main purpose, movement.
Forearm is called the Antebrachial, while the shoulder blade is called the scapular.
The other two Domains being "Bacteria" and "Eukarya" (which includes us humans). Archaebacteria<span> are characterized by having different cell call components, coenzymes and RNA Sequences compared to bacteria. ... </span>Eubacteria<span> have a rigid cell wall. However, they can be both gram positive and gram-negative.</span>
