The active sites on actin molecules are usually covered up by other molecules. What is the critical material required to uncover the active sites on the actin molecules that will then bind to myosin heads?
A) ATP
B) calcium
C) oxygen
D) vitamin A
E) titin
B) calcium
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________ are common inclusions in the cytosol of fat cells.
A) Suspended proteins B) Lipid droplets C) Glycogen granules D) Dissolved proteins E) Metabolic enzymes
Define the underlined terms in the following case study. A grower pig presented at the clinic exhibiting signs of porcine proliferative enteropathy. The owner reported that the animal, which had a rough hide, was a product of cross-fostering and had been exhibiting an inconsistent dunging pattern in recent days
What will be an ideal response?
The clitoris is especially sensitive for initiating sexual sensations.
a. true b. false
If glucose is not reabsorbed in the tubular fluid, ___________ increases
A) the osmotic pressure B) glomerular filtration rate C) hydrostatic pressure D) sodium reabsorption