Gustatory cells within a taste bud are specialized neuroepithelial cells that have a _________ life span
A. 7-10 hour
B. 7-10 day
C. 7-10 week
D. 7-10 month
E. 7-10 year
B
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You're researching a steroid hormone that binds to a receptor inside the cell. Once the receptor binds to its hormone, the receptor moves into the nucleus of the cell. The result of hormone-receptor binding is that new mRNA molecules are made. The receptor is also a
A. splicosome. B. ribosome. C. tRNA molecule. D. promoter. E. transcription factor.
Answer the following statements true (T) or false (F)
1. The juxtaglomerular apparatus secretes a hormone when blood pressure is low. 2. The juxtaglomerular apparatus secretes a hormone that causes dilation of blood vessels. 3. Filtration and secretion occur in different parts of the nephron. 4. Filtration and secretion in the nephron move solutes in opposite directions. 5. Secretion usually occurs in the distal convoluted tubule and the collecting tubule.
If the concentration of glucose in the water outside of a cell is higher than the concentration inside
a. water will tend to enter the cell by osmosis. b. water will tend to leave the cell by osmosis. c. glucose will tend to enter the cell by osmosis. d. glucose will tend to leave the cell by osmosis
What movements are allowed to some extent at the knee joint?
A. Flexion B. Dorsiflexion C. Extension D. Retraction E. Rotation