Important members of the intestinal microbiota are the strictly anaerobic
A) Enterobacter.
B) Bacteroides.
C) Pseudomonas.
D) Bordetella.
E) Legionella.
B
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A nucleotide is constituted of
a. a five carbon sugar, a nitrogenous acid, and a phosphate group. b. a six carbon sugar, a nitrogenous base, and a phosphate group. c. a five carbon sugar, a nitrogenous base, and a phosphate group. d. a six carbon sugar, a nitrogenous acid, and a phosphate group. e. a four carbon sugar, a nitrogenous acid, and a phosphate group
The smooth ER is the primary site for the synthesis of proteins and cholesterol needed to make membranes
__________________ Indicate whether the statement is true or false.
Previously understood similarities that seemed to connect slime molds and fungi are now considered to be _____
A) homologies B) examples of convergent evolution C) variations of common ancestral traits D) adaptations for much different functions
Which of the following statements about the nucleus is not true?
A. The nucleus usually contains a nucleolus region which is where ribosome assembly begins B. The nucleus is the site of protein assembly C. The nucleus stores the coded instructions for making the cell's proteins D. The nucleus is surrounded by a nuclear envelope that lets materials in and out