Examlex
How can you test the following statement using the scientific methodology? "Exam performance improves as the amount of sleep obtained the night before an exam increases."
Keratinocytes
The main type of cell found in the epidermis, responsible for the formation of keratin, a protein that gives skin its strength and flexibility.
Fibrous Protein
Proteins that are elongated and insoluble, providing structural support and tensile strength to tissues, such as collagen and keratin.
UV Rays
Short for ultraviolet rays, a type of electromagnetic radiation from the sun that can cause skin damage and cancer.
Melanocytes
Cells located in the skin that produce melanin, the pigment responsible for skin color and protection against UV radiation.
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