Urine when compared with the initial filtrate, contains
a. more glucose
b. less water, fewer minerals, and more urea
c. decomposed of red blood cells
d. concentrated amino acids
Answer: b. less water, fewer minerals, and more urea
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Biological digestion is defined as
a. taking food into a digestive chamber. b. breaking food down into smaller pieces that can be absorbed into cells. c. moving nutrient molecules into the internal environment. d. expelling indigestible materials. e. all of these.
Galactosemia is a disease caused by a genetic defect that affects an individual's ability to correctly metabolize galactose for use in the glycolytic pathway, but has no effect on metabolism of starch and glycogen, or on glycolysis
Galactosemia results in high galactose levels in the blood and accumulation of galactose-1-phosphate in the tissues. a) If you were a physician treating a person with this genetic disorder, in addition to galactose, what other dietary sugar would you recommend the patient not consume to avoid high galactose levels in the blood? b) Why would infants be more likely than adults to have high blood galactose levels associated with galactosemia? c) Suggest a reason for the observation that galactosemia is more common than fructosemia? d) Propose possible candidates for the defective enzyme that causes galactosemia. What will be an ideal response?
_______ can convert proto-oncogenes into oncogenes.
A. Chromosomal translocations B. Gene amplifications C. Retroviral insertions D. Missense mutations E. All of the answers are correct.
Explain the nervous system's control of the respiratory system.
What will be an ideal response?