Stan examines a hair under a microscope. Which part of the hair shaft will he analyze to view overlapping scales made of keratinized cells, and which part will he examine to see spindle-shaped cells? Stan examines a hair found at the crime scene. He notes that the has overlapping scales made of keratinized cells, and that the consists of spindle-shaped cells.

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.

Lipid because of the high percentage of carbon to carbon bonds, which store more energy than other bonds.