Which group includes members that are important primary producers in ocean food webs, causes red tides that kill many fish, and may even be carnivorous?

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#Question id: 15406

#XL - S Microbiology

Which method of gene transfer involves direct contact between the bacteria?

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#Question id: 15407

#XL - S Microbiology

The end result of F factor mediated conjugation:

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#Question id: 15408

#XL - S Microbiology

Which of the following is not a protein or group of proteins required for conjugation to occur?

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#Question id: 15409

#XL - S Microbiology

 A heterozygous trihybrid corn plant is testcrossed and the following progeny are produced (all traits are recessive to their wildtype alternative);

          booster                              6

          booster, silkless                  137       

          booster, liguleless, silkless      291

          liguleless                          142

          liguleless, silkless                  3

          silkless                            30

          booster, liguleless                  34

          wildtype                            339

What is the order of the loci on the chromosome? 

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#Question id: 15446

#XL - S Microbiology

Hyper IgM syndrome caused by mutation in?

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#Question id: 15448

#XL - S Microbiology

Stimulation of a single B cell would result in the generation of a clone of cells having_____