C. Because mutations are varieties
2 would be A because fertilization is where the sperm cell and egg unite. 3 would be C because in the picture you can see how the division is occuring.
Answer:
<u>The Nephron</u>
The nephron is the functional unit of the kidney. The glomerulus and convoluted tubules of the nephron are located in the cortex of the kidney, while the collecting ducts are located in the pyramids of the kidney's medulla. ... The renal tubule is a long, convoluted structure that emerges from the glomerulus.
- libretexts
A is the active site and C is the enzyme
Geocentric - Earth Centered solar system
Heliocentric - Sun Centered solar system
