If a mouse inherits a deletion in the SHH enhancer, what effect would you expect to see?

A) enhanced limb development
B) abnormal limb development
C) position effect variegation
D) increased ?-globin production
E) abnormal ?-globin production (thalassemia)


B

Biology & Microbiology

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The statement, "The total amount of energy in the universe is constant," is a tenet of

A) the first law of thermodynamics. B) the second law of thermodynamics. C) thermodynamic spontaneity. D) entropy. E) enthalpy.

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Heterotrophs that obtain energy and carbon by feeding on both animal and plant materials are called ____

a. detritivores b. herbivores c. carnivores d. omnivores e. decomposers

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In aerobic respiration, the electrons associated with the hydrogen atoms in glucose are ultimately

transferred to: a. carbon in a series of steps. b. oxygen in a series of steps. c. NADH in a series of steps. d. the mitochondrial membranes. e. hydrogen ions.

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How does direct development of an embryo differ from indirect development?

What will be an ideal response?

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