Iron sulfur clusters (Fs-S) that can accept or donate one electron are found in which complexes of the electron transport chain?

A) I
B) II and III
C) I, II and III
D) I, II, III and IV


C) I, II and III

Biology & Microbiology

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Convergent evolution results in the development of:

A. analogies. B. homologies. C. similes. D. homilies.

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Meiosis occurs in the ____

a. testes only b. ovaries only c. somatic cells d. synaptonemal complex e. gonads

Biology & Microbiology

A soil with roughly equal amounts of humus, silt, clay, and sand is called a

a. topsoil. b. loam. c. subsoil. d. compost. e. oversoil.

Biology & Microbiology

A recombinant DNA molecule is produced artificially and contains sequences ________

A) from bacteria only B) from yeast only C) from unrelated organisms D) from cells that have been chemically modified E) from prokaryotic genes

Biology & Microbiology