The diagram illustrates sensory nerve endings in the skin. What structure does "D" represent?
A. Meissner corpuscles
B. free nerve endings
C. Ruffini end organ
D. Pacinian corpuscle
E. Merkel disks
C
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Which of the following consists of a network of intracellular membranes with attached ribosomes?
A) mitochondria B) rough endoplasmic reticulum C) Golgi apparatus D) nucleoli E) smooth endoplasmic reticulum
What chemical change occurs to histones that will turn on genetic transcription?
A. Acidification B. Acetylation C. Phosphorylation D. Differentiation
A splinter pierces through the epidermal layers of the sole of the foot in the following order: 1. stratum basale 2. stratum corneum 3. stratum granulosum 4. stratum lucidum 5. stratum spinosum
A) 2, 3, 5, 1, 4 B) 1, 5, 3, 4, 2 C) 2, 4, 3, 5, 1 D) 1, 3, 5, 2, 4 E) 2, 3, 4, 1, 5
Nutrition includes the study of
A. how nutrients play a role in your body's health. B. the nutrients in foods. C. digestion, absorption, and transportation of nutrients. D. the body's utilization of nutrients. E. All of these choices are correct.