Ingo Potrykus and Peter Beyer’s production of a new
variety of rice is not unlike the artificial selection
practices of previous agrarian societies that produced
new
a. plants.
b. breeds of cattle.
c. breeds of cats.
d. breeds of birds.
e. all of these.
Answer: e
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If all conditions of Hardy–Weinberg equilibrium are met,
(a) allele frequencies move closer to each generation. (b) allele frequencies change in the direction predicted by natural selection. (c) allele frequencies stay the same. (d) all allele frequencies increase.
The term acute urethral syndrome is used to describe a syndrome of symptoms that include:
a. greater than 105 colony-forming units of bacteria per milliliter (CFU/mL) of urine, dysuria, and frequent urination. b. dysuria, frequency, and urgency but a specimen yielding fewer organisms than 105 CFU/mL urine on culture. c. fever and flank pain, dysuria, vomiting, diarrhea, chills, increased heart rate, and lower abdominal pain. d. dysuria, frequency and urgency along with tenderness and pain over the area of the bladder.
A motor unit is
A. a motor neuron and all of the muscle fibers to which it connects. B. a sensory neuron and two muscle fibers. C. a motor neuron and a whole muscle. D. a sensory neuron and several sarcomeres. E. a motor neuron and several sarcomeres.
The first stable compound produced from CO2
in the light-independent reaction is a. phosphoglycerate (PGA). b. ribulose bisphosphate (RuBP). c. phosphoglyceraldehyde (PGAL). d. O2. e. NADP+.