Chromatin and chromosomes are both composed of DNA
Indicate whether the statement is true or false
TRUE
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Tubular reabsorption ________.
A) includes substances such as creatinine B) by active mechanisms usually involves movement against an electrical and/or chemical gradient C) by passive processes requires ATP to move solutes from the interior of the tubule to the blood D) is a way for the body to get rid of unwanted waste
By signaling the small intestine, the _____ is an endocrine gland, and _____ is a hormone
a. large intestine; vitamin D b. large intestine; vitamin E c. skin; vitamin D d. skin; vitamin E e. thyroid gland; TSH
Which of the following layers of the filtration membrane is closest to the plasma?
A. Macula densa B. Glomerular endothelium C. Parietal layer of Bowman capsule D. Podocytes E. The basement membrane
It has been suggested that the lymphatic system evolved when animals became larger and the hydrostatic pressure in their circulatory systems rose. Explain how this suggestion is consistent with the function of the lymphatics-how does high blood pressure make lymphatic function essential? Also, what other advantages were gained by animals that developed lymphatic systems?
What will be an ideal response?