The plant hormone ____ is apparently synthesized from carotenoid pigments inside plastids

a. salicylic acid
b. cytokinin
c. abscisic acid
d. jasmonate
e. brassinosteroid


ANSWER: c

Biology & Microbiology

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Describe the usefulness of blue-white screening, also called ?-complementation, in cloning vectors such as pUC19. Include in your answer the terms polylinker, DNA ligase, lacZ gene, insertional inactivation, Xgal, and ?-galactosidase

What will be an ideal response?

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Muscle fibers (muscle cells) are filled with myofibrils which in turn are filled with the contractile filaments myosin and actin.

a. true b. false

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Discuss how geneticists have concluded that the X-linked form of hemophilia that spread through the royal families of

Western Europe and Russia in the nineteenth and twentieth centuries probably originated with Queen Victoria. What will be an ideal response?

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Changes in the DNA are called ________

Fill in the blank(s) with correct word

Biology & Microbiology