The majority of glomeruli are located in the of the kidney.
a) vasa recta b) medulla c) cortex d) pelvis e) calyces

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

How many copies of genes do gametes have?

The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old