Describe the various forms of energy that are NOT available from the food an animal ingests
What will be an ideal response?
Answer: The total or gross energy of ingested food consists of two components: digestible energy and indigestible energy, the latter of which takes the form of feces. Of the digestible energy, some is unmetabolizable, leaving the body as urine. The remaining metabolizable energy is usable as net energy and specific dynamic action (or body heat).
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Which tissue is found lining the lumen of the esophagus and adult vagina?
A. Simple squamous epithelium B. Transitional epithelium C. Stratified columnar epithelium D. Pseudostratified columnar epithelium E. Stratified squamous epithelium
Rickets, a disease characterized by overproduction and deficient calcification of osteoid tissue, is caused by a lack of sufficient
A. Vitamin D. B. Calcitonin. C. Thyroid hormone. D. Vitamin A. E. Vitamin C.
Urea is made in the
A) Kidney. B) Spleen. C) Liver. D) Bladder.
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