Match the infectious agent on the left with the appropriate cancer type on the right.
A) Burkitt's lymphoma
B) cervical cancer
C) bladder cancer
D) liver cancer
E) stomach cancer
1) Epstein-Barr virus
2) hepatitis B virus
3) human papilloma virus
4) Helicobacter pylori
5) parasitic flatworms
1) A Burkitt's lymphoma
2) D) liver cancer
3) B) cervical cancer
4) E) stomach cancer
5) C) bladder cancer
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Which of the following is a scientific name?
A. Streptococcus pyogenes B. Streptobacilli C. Gram-positive streptococcus D. Anthrax
Extremophilic bacteria are able to survive in hostile environments, including scalding hot water as well as springs and vents that reach temperatures over 100°C
Researchers studying these bacteria measured the function of a protein from an extremophile bacterium at 100°C, and they also measured the function of a similar protein from a human cell at 100°C. Which of the following results do you think the researchers obtained? A) The bacterial protein functioned normally, whereas the human protein did not. B) The human protein functioned normally, whereas the bacterial protein did not. C) The bacterial protein and the human protein both functioned normally. D) Neither the human protein nor the bacterial protein functioned normally.
In ________, the mouth develops at or near the blastopore.
A. gastrocoelomates B. triploblastics C. protostomes D. blastocoelomates E. deuterostomes
A population of zooplankton is exposed to a small number of predatory fish that feed on the larger-sized (adult) zooplankton. Based on the principles of evolution by natural selection, which of the following would be most likely?
a. Adult zooplankton will start to reach sexual maturity when they are still relatively small b. The predatory fish will evolve smaller mouths so that they do not drive their prey to extinction. c. Evolution is unpredictable, and all outcomes are equally likely. d. The zooplankton will become sexually mature at larger sizes. e. The predatory fish will evolve poor eyesight so as to preserve their food supply.