Personalized Biochemistry Cake Women's Plus Size V-Neck. Biochemistry is a piece of cake, unchewable, insoluble cake text with a slices of cake is a funny gift design for back to school. So comfortable you'll want one in every color! These versatile v-neck t-shirts are great to wear to the office or at a weekend BBQ with friends. Available in a wide range of colors to compliment any wardrobe, these shirts are softly shaped to complement a plus sized woman's curves.