A genetic test to detect predisposition to cancer would likely examine the APC gene for involvement in which type(s) of cancer?
A) colorectal only
B) lung and breast
C) lung only
D) lung and prostate
A
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Answer the following statements true (T) or false (F)
1. The ecological footprint of an average Egyptian is greater than that of an average American. 2. Random dispersion is rare compared to clumped dispersion. 3. Humans are iteroparous. 4. Demography is the study of how births and deaths change population sizes over time. 5. Modern humans show a type I survivorship curve.
The production of root hairs is mostly dependent on
A. auxin production. B. position of an epidermal cell. C. width of the root. D. length of the root. E. position of the root in the soil.
Except for the stop codons, the codons in the genetic code specify which of the ____ amino acids will be added to a
growing polypeptide chain.
a. 5 b. 64 c. 4 d. 20 e. 3
A group of neighboring populations that exchange individuals is defined as a ____
a. metapopulation b. megapopulation c. community d. source population e. sink population