Human telomeres form planar structures made up of quartets of
a. TTAGGG repeats.
b. guanine residues.
c. shelterins.
d. telomerase molecules.
e. TRF2 proteins.
Ans: b
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The white portion of your eye is called the:
A. retina. B. cornea. C. sclera. D. pupil.
What is the competitive exclusion principle? a. The isolation of groups in a large habitat
b. The number of predators in a given area. c. The effect of physical factors on consumers. d. A better competition drives a species to extinction when competing for the same limited resource.
Cirrhosis of the liver is due to long-term inflammtion in which healthy liver cells are
a. drenched in alcohol. b. replaced by scar tissue. c. converted to bilirubin. d. make excess bilirubin. e. not affected.
In Figure 1.8, Available N is the
A) dependent variable. B) model. C) independent variable. D) response variable.