Chemotaxis is made possible by help of:

A. Pili
B. Cilia
C. Quorum sensing
D. Flagella


Ans: D. Flagella

Biology & Microbiology

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Human-caused disturbances of the ________ cycle may be contributing to global warming

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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

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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

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