Which complex in the electron transport chain carries electrons from cytochrome c to molecular oxygen, reducing it to water?

A) I
B) II
C) III
D) IV
E) V


D) IV

Biology & Microbiology

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A research laboratory that identifies the subspecies of bacterial isolates from a recent Salmonella epidemic would refer to Bergey's Manual of ________ Bacteriology for guidance in identification.

A. Evolutionary B. Determinative C. Systematic D. Classical

Biology & Microbiology

Cores of coral reefs show a reef base that is well below the photic zone. How are two ways that is this possible, given the light limitations of reef-forming corals?

What will be an ideal response?

Biology & Microbiology

It has only been since 1998 that a method for culturing stem cells has been described

Indicate whether the statement is true or false.

Biology & Microbiology

Which of these eye structures is responsible for allowing a person to see color?

A) sclera B) cones C) incus D) rods

Biology & Microbiology