Human semen is liquid at ejaculation but soon coagulates (within 15 mins) and again undergo secondary liquification by the enzyme released by the prostate. Enzyme is
An antibiotic, seminal plasmin and prostatic enzymes that coagulate and then liquify semen to aid in its movement through the uterine cervix are present in semen. After ejaculation, liquid semen coagulates within 15 minutes due to the presence of clotting proteins. After about 10-20 minutes, semen reliquifies because acid phosphatase.
Therefore, the correct answer is option D.