The ____ stimulates forceful inhalation and exhalation

a. ventral interneuron group
b. pons interneuron groups
c. carotid bodies
d. dorsal respiratory group
e. aortic bodies


ANSWER: a

Biology & Microbiology

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A) frameshift mutation B) missense mutation C) silent mutation D) nonsense mutation

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A testcross consists of

a. a cross of two pure-breeding forms to find out which form of a gene is dominant. b. a cross between two unknown forms to determine their genotypes. c. a cross between an offspring and its parent. d. a cross of an F1 hybrid to an individual that is homozygous recessive. e. a cross of two F2 individuals to produce an F3 generation.

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An oak tree is a

A) gamete. B) spore. C) zygote. D) gametophyte. E) sporophyte.

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Answer the following statement true (T) or false (F)

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