When nondisjunction occurs early in embryogenesis rather than gametogenesis, what would you expect in the resulting karyotype?
A) monosomy
B) trisomy
C) mosaicism
D) uniparental disomy
E) random X-inactivation
C
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In a process known as the ________, the rise and fall of water depth with tidal cycles bring nutrients into coastal marshes from coastal ocean waters
Fill in the blank(s) with correct word
The Q cycle can
A) transport protons out of the matrix without additional electron transfer between complexes I and III. B) associate with complex IV. C) transfer electrons to O2. D) generate superoxide. E) All of the above can be performed by the Q cycle.
Vaccines contain
A) memory cells against the pathogen. B) antigens of the pathogen. C) antibodies of the pathogen. D) lymphokines. E) T cells programmed to attack the pathogen.
Inhibin is a hormone that
A. is involved in a negative feedback relationship with the anterior pituitary and hypothalamus to regulate testosterone levels. B. prevents or inhibits erection. C. is involved in a positive feedback relationship with the hypothalamus to regulate maturation of eggs in the oviduct. D. is involved in a negative feedback relationship with the anterior pituitary and hypothalamus to trigger ovulation in females. E. prevents or inhibits sexual urges.