A(n) ____________________ disorder is caused by a variation in the genetic pattern.?
Fill in the blank(s) with correct word
genetic
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Given the following information, what is the pH? ratio of [HCO3]/[CO2] = 20/0.5 pK = 6.1 log of 10 = 1.0 log of 20 = 1.3 log of 40 = 1.6
a. pH = 7.0 b. pH = 7.4 c. pH = 7.1 d. pH = 7.7 e. It is impossible to determine the pH with the information provided.
One target cell receptor may bind with more than one specific hormone
Indicate whether the statement is true or false
In a lab experiment with isolated lung cells you observe a linear uptake in choline from the extracellular medium by the cells until the extracellular concentration of choline reaches 200 nM. At this concentration the curve levels off and the same rate of uptake is seen at 200 and 225 nM extracellular choline. What has happened that can explain this observation?
a. Cellular and extracellular choline concentrations are at equilibrium. b. The transporters for choline saturate at 200 nM. c. At choline concentrations of 200 nM and above, the osmotic pressure of the cytoplasm prevents additional choline from entering the cell. d. The cell cannot synthesis enough ATP to keep up with the energy demand of the carrier. e. None of these.
Which are characteristic of leukocytes? a: Smaller than erythrocytesb: Have a nucleusc: Have no hemoglobind: More numerous than erythrocytese: Depending on type, may or may not contain granules
A. a, b, c, d B. a, b, c, d, e C. b, c, e D. b, c, d, e E. a, b, e