Maternal effect genes of Drosophila are genes active in ____ cells, whose products establish ____ in developing
embryos.
a. maternal; gender
b. maternal; polarity
c. embryonic; polarity
d. embryonic; gender
e. egg; gender
b
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Elongation of the microtubule occurs by the
A) addition of tubulin subunits to each end. B) addition of tubulin subunits to the (+) end. C) addition of the tubulin subunits to the (+) end but removal from the (-) end. D) addition of G-actin subunits to the (+) end. E) deletion of G-actin subunits from the (+) end.
Integrase inhibitors work by:
A. Agglutinating the reverse transcriptase inhibitors B. Degrading the viral envelope C. Preventing the incorporation of the viral DNA into the genome D. Blocking the final viral assembly
What is one difference between active and passive transport?
a. passive transport requires energy b. passive transport requires a protein channel c. active transport requires energy d. active transport only moves water molecules
Amphipathic organic molecules that serve as disinfectants by disrupting membranes and denaturing proteins are called ________.
A. sterilants B. soaps C. detergents D. oxidants