The length of time a Gprotein will signal is determined by _______

(a) the activity of phosphatases that turn off Gproteins by dephosphorylating G?.
(b) the activity of phosphatases that turn GTP into GDP.
(c) the degradation of the Gprotein after G??separates from G???
(d) the GTPase activity of G??


(d)

Biology & Microbiology

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XY individuals with total androgen

insensitivity syndrome

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Along with the egg, in the part of an embryo sac next to the micropyle you should find ____

a. the central cell b. a seed c. the pollen tube d. synergids e. antipodal cells

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If the decolorizer is not left on long enough in the Gram-staining procedure, gram-positive organisms will be stained ________ and gram-negative organisms will be stained ________.

A. purple; colorless B. purple; purple C. purple; pink D. pink; pink

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The __________ can be considered a sorting, processing and packaging center

a. centriole b. centrosome c. Golgi complex d. vacuole e. cytoskeleton

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