Which of the following statements are CORRECT about the function of fetal bovine serum in animal cell culture?

Q. Which of the following statements are CORRECT about the function of fetal bovine serum in animal cell culture?

P. It stimulates cell growth

Q. It enhances cell attachment

C. It provides hormones and minerals

D. It maintains pH at 7.4

(A) P and Q only

(B) P and S only

(C) P, Q and R only

(D) P, Q, R and S

Ans: P, Q and R only