The fact that myotonic dystrophy worsens with each generation is due to
A) a second somatic point mutation.
B) an increasing number of repeated short DNA sequences.
C) a transposing tandem triplet repeat.
D) family members perceiving their symptoms as worse.
B) an increasing number of repeated short DNA sequences.
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During the early phase of the ovarian cycle, which ovarian hormone is at the highest levels?
a. GnRH b. estrogen c. progesterone d. FSH e. hCG
A cluster of intracellular linker proteins associated with a junction is called a(n)
A) annulus. B) connexon. C) plaque. D) tonofilament. E) accessory protein complex.
The efferent arterioles transport blood directly into the:a
afferent arterioles. b. Bowman's capsule. c. glomerulus. d. peritubular capillaries. e. renal artery.
The genus Frankia ________.
A. produces heat-resistant endospores and is strictly a marine bacterium B. is strictly a marine bacterium C. produces heat-resistant endospores D. grows in symbiotic association with the roots of some higher plants and fixes nitrogen