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
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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?
Muscle fibers (muscle cells) are filled with myofibrils which in turn are filled with the contractile filaments myosin and actin.
a. true b. false
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?
Changes in the DNA are called ________
Fill in the blank(s) with correct word