Answer:
It should be Meristematic cells
I think the 4 major types of vectors are plasmids, viral vectors, cosmids, and artificial chromosomes. The most commonly used vectors are plasmids.
Hope this helps! ;0
ANSWER:
In the animal kingdom mammals have largest natural breasts.
EXPLANATION:
Mammals have largest breasts in animals and specifically Blue Whale has the largest breasts but they are inside the body.Among other animals goats, cows and buffaloes have larger breasts too but surely not greater than the size of Blue Whale's.Breasts are organs in which mammary glands are present, these glands produce milk.
