Lacteals
A. are part of the lymphatic system.
B. absorb fat molecules.
C. are located in villi.
D. All apply.
Answer: D
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Which portion of the renal tubule reabsorbs electrolytes, plasma proteins, nutrients, vitamins, and water?
A. Proximal convoluted tubule B. Ascending limb of nephron loop C. Descending limb of nephron loop D. Distal convoluted tubule E. Collecting duct
Answer the following statements true (T) or false (F)
1. The most abundant dietary lipids in the diets of most Americans are triglycerides. 2. There are no complete proteins. All animal products should be eaten with plant material to make a complete protein. 3. The body is considered to be in nitrogen balance when the amount of nitrogen ingested in lipids equals the amount excreted in urine. 4. The amount of protein needed by each person is determined by the age, size, and metabolic rate of the person. 5. Vitamins are inorganic compounds that are essential for growth and good health.
Glycoproteins are protein molecules with molecules of glycogen attached to the amino acid side chains.
Answer the following statement true (T) or false (F)
Which is a TRUE statement about events occurring in the menstrual cycle?
A. Each peak in estrogen concentration is accompanied by an even greater peak in progesterone concentration. B. FSH reaches its highest concentration 3 days before menstruation begins. C. Progesterone is low during the first half of the cycle, and rises to a peak during the second half. D. Ovulation occurs exactly in the middle of the follicular phase of the cycle. E. The corpus luteum normally degenerates on day 14 of the cycle.