The contribution of the pancreas in the overall digestion and utilization of nutrients includes all of the
following EXCEPT
a. as an accessory gland.
b. to secrete bicarbonate, which helps neutralize highly acidic chyme.
c. to release enzymes that break down carbohydrates, fats, proteins, and nucleic acids in the
small intestine.
d. to produce insulin and glucagon that help regulate the metabolism of sugar.
e. mechanical digestion.
E
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Genetic material, DNA and RNA, are found in three distinct organelles in eukaryotic cells, what are these organelles and which type of relationship may have lead to their formation?
A. Chloroplast, mitochondria, nucleus, endosymbiotic. B. Chloroplast, lysosomes, nucleus, endosymbiotic. C. Nucleus, Golgi body, endoplasmic reticulum, symbiotic. D. Mitochondria, chloroplast, nucleus, parasitic. E. Lysosomes, mitochondria, chloroplast, parasitic.
Besides sending messages to and from the brain, the spinal cord has another important function: Reflexes. In fact, in very simple animals, that is the main function of the cord. In higher animals, reflexes are important because they provide
A. maintenance of life-sustaining processes such as breathing and heart beat, even while sleeping or unconscious. B. protection from sudden or unexpected environmental harms. C. objective physical evidence of neurological injury. D. stimulation of the brain as a protection against atrophy in situations where voluntary movement is hindered, such as a coma.
A cell's metabolic pathways can be taken over by the DNA from a
A. bacteria. B. fungus. C. virus. D. host.
What is the Gibbs free energy change, ?G, across a membrane with a pH difference of 0.50 and a membrane potential of -0.10 V at 310 K? (R = 8.315 J K-1 mol-1; F = 96,485 J V-1 mol-1)
A) -6.85 kJ mol-1 B) -12.6 kJ mol-1 C) 38.6 kJ mol-1