Which of the following statements is false about the
consequences of STD infection?
a. Males are more easily infected than females and
develop more complications.
b. Pelvic inflammatory disease is a complication
resulting from some bacterial STDs.
c. PID can cause infertility, tubal pregnancies, and
chronic pain.
d. Early symptoms of type II herpes virus Are
often mild or absent.
e. Untreated males with chlamydia are at risk for
inflammation of the epididymis and infertility.
Answer: a
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You observe two populations of chimpanzees using sticks to dig termites out from nests for food. One population uses long sticks; the second population uses short sticks
Which of the following observations would NOT support the hypothesis that the choice of stick length is a learned behavior? A. There are equal numbers of short and long sticks in the environment of each population. B. The population using long sticks has mostly long sticks in its environment. C. The chimpanzees using short sticks have obtained them by breaking long sticks. D. Young chimpanzees in both populations start out using sticks of many different sizes. E. Individuals that don't use the common stick length for that population catch fewer termites.
According to the above table, the foraging
characteristic that would benefit an animal most in a stable ecology would be? a. A baby garter snake captures and eats a slug. b. A sitter because it would have more trouble adapting to a changing environment c. A forager because it has the ability to adapt quickly. d. Both the sitter and the forager are equally adept in a stable ecosystem. e. All of these would benefit an animal the most.
In photosynthesis, the net uptake of CO2 by a plant is greatest
A) when PAR equals zero. B) at the light compensation point. C) during photoinhibition. D) at the light saturation point.
Researchers wish to use RNAi to prevent the expression of the enzyme hexokinase in order to study its impact on glycolysis. Which of the following processes would still occur if the researchers used RNAi effectively to silence hexokinase expression?
A) folding of the hexokinase protein B) translation of the hexokinase protein C) transcription of the hexokinase gene