Which of the following is included as part of the Eubacteria?

A) methanogens
B) thermacidophiles
C) cyanobacteria
D) halobacteria
E) sulfobacteria


C) cyanobacteria

Biology & Microbiology

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If the vas deferens tubes are cut and tied (vasectomy), the semen will not contain:

a. fructose b. buffers c. mucus d. sperm e. any secretions

Biology & Microbiology

Suppose you have engineered a plasmid vector in order to produce a functional animal protein in E. coli. But the product you collect, while it has the correct amino acid sequence, is in fact nonfunctional

What might you try that would have a greater chance of success? A) a eukaryotic expression vector that has sequences for regulating transcription B) using a host other than E. coli that does not have the same codon bias C) a eukaryotic expression vector that includes sequences for controlling posttranslational effects D) treatment of the posttranslation proteins to add signal sequences E) using yeast artificial chromosomes that can hold longer sequences

Biology & Microbiology

A keystone species is the most numerous species in an ecosystem

Indicate whether the statement is true or false

Biology & Microbiology

CAM plants

What will be an ideal response?

Biology & Microbiology