Animals that acquire energy efficiently during foraging will increase their fitness by having more energy available for _______________.
A. competition
B. defenses
C. respiration
D. reproduction
D. reproduction
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What type of aneuploidy is responsible for Turner syndrome in humans?
A) trisomy 13 B) trisomy 18 C) trisomy 21 D) monosomy XO E) monosomy YO
Rifampin is the drug of choice for malaria.
Answer the following statement true (T) or false (F)
The presence of the disease sickle cell anemia illustrates that natural selection does not always eliminate ________ alleles.
A. neutral B. recessive C. polymorphic D. dominant
An important difference between mRNA and DNA is:
a) DNA can move throughout the cell, while mRNA stays in the nucleus. b) mRNA contains uracil instead of adenine, which is found in DNA. c) mRNA can move outside of the cell, while DNA stays inside the cell. d) mRNA can move throughout the cell, while DNA stays in the nucleus. e) mRNA can move throughout the cell, while DNA stays in the cytosol.