Which of the following functional groups form symbiotic relationships with Eukaryotes in deep sea environments?
A) dissimilatory iron-oxidizers
B) methanotrophs
C) sulfide-oxidizers
D) methanotrophs and sulfide-oxidizers
Answer: D
Biology & Microbiology
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Which of the following is associated with the axial skeleton?
a. humerus b. sacrum c. hyoid bone d. femur
Biology & Microbiology
Skeletal muscle cells are not typical cells because ____
a. groups of them fuse in the embryo to form multinucleated fibers b. they are smooth c. they are hydrostatic d. they do not respond to stimuli e. they operate independently from all other body systems
Biology & Microbiology
The stem apical meristem gives rise to:
a. leaf primordia. b. lateral meristems. c. root caps. d. root hair
Biology & Microbiology
What is the type of strong chemical bond between carbon, hydrogen, and oxygen atoms in a single organic molecule?
A) ionic bond B) covalent bond C) hydrogen bond
Biology & Microbiology