In omnivores, including humans, the cecum is an important organ for digestion of cellulose.
Answer the following statement true (T) or false (F)
False
Cellulose, the main macromolecule of the plant cell wall is also called fiber or roughage, and is useful in eliminating solid wastes. The human digestive system is not equipped with the enzymes to digest cellulose, and it therefore passes through the system intact.
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Most land-dwelling invertebrates and all of the amphibians _____
A) are ectothermic organisms with variable body temperatures B) alter their metabolic rates to maintain a constant body temperature of 37 °C C) have a net loss of heat across a moist body surface, even in direct sun D) are endotherms but become thermoconformers when they are in water E) become more active when environmental temperatures drop below 15 °C
What type of neuron directly stimulates a muscle or gland?
a. afferent neuron b. efferent neuron c. interneuron d. afferent and efferent neurons e. afferent neurons and interneurons
What are the two dual functions of the ureters in frogs?
What will be an ideal response?
Where is the epiphyseal plate located?
a. at the joint articulation point b. in the sutures of the flat bones c. between the diaphysis and epiphysis in long bones d. inside the Haversian canals