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Which of the following is a requirement a substance must meet in order to be considered hereditary material?

True or false: During metaphase II of meiosis, chromosomes line up end-to-end and not side-by-side.

_____ is a widely used monomer with a long history of safe use in medical and dental products, is fine for making bulletproof windows and shatterproof eyeglasses, but is extremely unsuitable for use in artificial nail liquids.

Normal, healthy nails grow in a variety of shapes, depending upon the shape of the _____.    

Good-quality pressing combs are constructed of either _____. a. brass or iron b. brass or porcelain c. stainless steel or brass d. stainless steel or tin

What section of the pin curl lies between the base and first arc (turn) of the circle that gives the curl its direction and movement, and determines the amount of mobility or movement in a section of hair? a. Base b. Circle c. Stem d. Size

What water purification process is used in the manufacture of cosmetics, in which water is heated until it becomes a vapor, then collected as a liquid? a. Sedimentation b. Distillation c. Evaporation d. Filtration

What is the most commonly shaped pin curl base? a. Arc base b. Rectangular base c. Square base d. Panel base

The outline of the face, head, and figure seen in a side view is known as the _____. a. profile b. shape c. silhouette d. convex

What special chemical agents are applied to the hair to deposit protein or moisturizer to help restore the hair’s strength, infuse moisture, give hair body, and protect hair against possible breakage? a. Shampoos b. Conditioners c. Keratin d. Medications