Centrioles
A) function as pipelines to move fluid through the cell.
B) hold the cell's ribosomes in place.
C) are white blood cells out of vessels.
D) direct the movement of DNA during cell division.
E) provide shape and stability to a cell.
B) hold the cell's ribosomes in place.
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Consider the equation F = ?P/R. It describes the flow (F) of fluid in a tube in which there is a pressure difference (?P) between the two ends and a resistance (R) to flow. Based on this equation, which is a correct conclusion?8-15-2013
A. If both the resistance and the pressure gradient in a tube increase, the flow must also increase. B. The flow of fluid in a tube depends upon the absolute pressure at the beginning of the tube. C. The greater the resistance to flow in a tube, the greater the rate of flow for any given pressure difference. D. The rate of flow in a tube will decrease if the resistance to flow is decreased. E. The rate of fluid flow in a tube will increase if the pressure at the beginning is increased while the pressure at the end of the tube stays the same.
How do cardiomyocytes communicate with one another?
A) Neurotransmitters B) Gap junctions C) Synapses D) Tight junctions
What is the connection between breathing and venous return?
A) Inhalation decreases pressure in the pleural cavity, thus more blood flows into the inferior vena cava. B) Inhalation increases pressure in the pleural cavity, thus more blood flows into the inferior vena cava. C) Exhalation decreases pressure in the pleural cavity, thus more blood flows into the inferior vena cava. D) Both inhalation and exhalation increase pressure in the pleural cavity, thus less blood flows into the inferior vena cava. E) Both inhalation and exhalation decrease pressure in the pleural cavity, thus less blood flows into the inferior vena cava.
What does it mean to say that DNA replication is semiconservative?
What will be an ideal response?