Which gene is associated with a predisposition to breast cancer?
a. pre-oncogenes
b. haploid genes
c. post-oncogenes
d. p53 gene
e. BRCA1 gene
ANSWER: e
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The atomic number of an element is the number of
A. protons in the orbitals. B. electrons in the nucleus. C. neutrons in the orbitals. D. protons in the nucleus. E. neutrons in the nucleus.
Crop plants with added insect resistance might lead to
a. toxicity in humans. b. development of more resistant insects. c. toxicity in land animals. d. toxicity in birds. e. toxicity in fish
Which of the following is TRUE about group selection?
a) It is a common occurrence in large populations. b) It is at least as common as reciprocal altruism. c) It leads to unselfish individual behavior that benefits the population or species. d) It tends to increase altruistic behavior. e) It becomes progressively more common over several generations.
Tundie is an accomplished lab technician. She wants to determine whether her boyfriend is still smoking marijuana, a habit he swore he would give up. She can't test his blood for THC because performing this test might arouse the suspicions of the
authorities. Which of the following blood findings might suggest that her boyfriend is still smoking weed? A) increased blood carbon monoxide B) low blood oxygen C) high blood niacin D) substantial nicotine in the blood