DIRECTIONS for the question: Select the best option which completes the sentence (s) in the most meaningful manner
Cord-blood banking is a process of ________ extra blood in the umbilical cord of the baby that is ________ in stem cells.
A)
preserving … rich
B)
collecting … pure
C)
controlling … contaminated
D)
developing … full
E)
gathering … low
A
Preserving fits the sentence contextually. Preserving is to keep something as it is, especially in order to prevent it from decaying or being damaged or destroyed.
