Suppose that a patient presents the following symptoms: anemia, dilation of heart, lung damage and pneumonia, rheumatism, abdominal pain, and kidney failure. After learning about the patient's family history, which disorder did the doctor run a genetic test for?
a. cystic fibrosis
b. albinism
c. sickle cell disease
d. achondroplasia
Ans: c. sickle cell disease
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Calculate ENa for a neuron that has an extracellular concentration of Na+ of 78 mM and an intracellular concentration
of Na+ of 6 mM.
a. -68.0 mV b. -1.14 mV c. 1.14 mV d. 31.6 mV e. 68.0 mV
The first dinosaurs, leading to the first public dinosaur craze, were discovered in
a. England b. Australia c. South America d. Africa e. China
Suppose a population of mostly sand-colored crabs migrates from a sand beach to a pebble beach and evolves a darker, speckled coloration that closely resembles the pebble beach. This is an example of
A) directional selection. B) stabilizing selection. C) disruptive selection. D) sexual selection. E) genetic drift.
Which of the following are antimicrobial proteins? Select All That Apply
What will be an ideal response?