T or F: Lengthening of a muscle before contraction increases the force in a concentric contaction
What will be an ideal response?
True
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A doctor wants to determine the origin of the bacteria in the intestinal tract of one of her patients. How can she do this?
A. by examining the bacteria present in the eggs of the patient's mother B. by examining the bacteria present in the sperm of the patient's father C. by determining the bacteria present in the food the patient eats D. All of these answer options are correct.
Photosynthesis uses carbon from carbon dioxide. What ultimately happens to the carbon?
1.It is released as sugar. 2.It is incorporated into the organism as tissues, energy sources, and structural components. 3.It is released as energy during cellular respiration. 4.It is released as nutrients into the soil.
Nerve impulses travel along neurons by the opening of channels that allow sodium ions to flow inward, followed by an outward flow of potassium ions
In order to ensure that the impulse may be produced at any time, sodium is actively transported out of the cell and potassium is transported into the cell by the sodium/potassium pump. Which of the following types of work is performed by the sodium/potassium pump? A) mechanical B) electrical C) concentration D) synthetic E) bioluminescent
Where does the highest rate of reabsorption occur?
What will be an ideal response?