Studi Pengaruh Minyak Biji Jojoba (Simmondsia chinensis (Link) Scneider) terhadap Viabilitas, Apoptosis, dan Ultrastruktur Sel Kanker Payudara MDA-MB-231 = Study for Effect of Jojoba (Simmondsia chinensis (Link) Scneider) Seed Oil towards the Viability, Apoptosis, and Ultrastructure of MDA-MB-231 Breast Cancer Cell