__________ are established with cells that have been obtained directly from the organism; cultures produced from animal cells are usually obtained from ________.
A)Primary cultures, embryos
B)Secondary cultures, adult organisms
C)Primary cultures, adult organisms
D)Secondary cultures, embryos
E)Secondary cultures, primary cultures

Question

Quizplus · Accepted Answer

Primary cultures are established with cells that have been obtained directly from the organism, and these cultures produced from animal cells are usually obtained from embryos. This is because embryonic cells are more versatile and adaptable to in vitro conditions.

__________ Are Established with Cells That Have Been Obtained Directly