One conclusion that can be drawn from the accompanying figure is that a low ratio of auxin to cytokinin:



a. stimulates root development.

b. stimulates shoot development.

c. results in undifferentiated growth.

d. stimulates the formation of an entire plant.

e. results in no growth.


b

Biology & Microbiology

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The receptors to which animal virus attachment proteins usually bind are

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Which of the following statements is true?

A) Sex determination in fruit flies depends on the X : autosome ratio. B) Mammalian sex determination can be influenced by temperature. C) Mammals experience random Y inactivation. D) The testis-determining factor gene is X-linked. E) Dosage compensation occurs in the same way in most animals.

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Amino acids always include the following functional groups EXCEPT

A) an alpha carbon. B) a hydrogen. C) an amino group. D) a hydroxyl group.

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Explain how the teeth of carnivores, omnivores, and herbivores differ

What will be an ideal response?

Biology & Microbiology