Chemotaxis is made possible by help of:
A. Pili
B. Cilia
C. Quorum sensing
D. Flagella
Ans: D. Flagella
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During the development of the vulva in Caenorhabditis, binding of ____ to its receptor initiates development into ____ cell. (Select all correct choices.)
A. EGF; a Type 1 B. EGF; a Type 2 C. Notch; a Type 1 D. Notch; a Type 2 E. EGF; an anchor
In Thomas Hunt Morgan's experiments, males had white eyes but females did not. What cross could you perform with his flies to obtain white-eyed females?
A. cross the F1 offspring to each other B. cross an F1 female to a white-eyed male C. cross an F2 female with an F1 male D. cross an F2 female with a white-eyed male E. crossing either the F1 or F2 females with a white-eyed male will produce some white-eyed females
What is the maximum Lod score for linkage at this locus?
Linkage between a gene of interest and a DNA marker is being studied. A mating results in 19 parental and 1 recombinant offspring. A) 0.22 B) 1.1 C) 6.3 D) 11
Human-caused disturbances of the ________ cycle may be contributing to global warming
A) hydrologic B) oxygen C) phosphorus D) carbon E) sulfur