__________ are established with cells that have been obtained directly from the organism; most of these cultures produced from animal cells are 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. Most of these cultures produced from animal cells are obtained from embryos.

__________ Are Established with Cells That Have Been Obtained Directly