The use of metals as terminal electron acceptors is/are known as ________ because the metals are not incorporated into biomass.
A. metallo-neutral
B. negative metallic addition
C. Fenton reactions
D. dissimilatory metal reduction
Answer: D
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a. predictions b. hypotheses c. experimental variables d. theories e. scientific research
Adjacent nucleotides on a strand of DNA are connected to each other by a(n) ____
a. hydrophobic interaction b. phosphodiester bond c. hydrogen bond d. peptide bond e. ionic bond
Which tissue will NOT be crushed or sloughed off
by the growing of the stem? a. vascular cambium b. epidermis c. cortex d. pith e. endodermis
The movement of phosphorus and other non-gaseous chemicals takes place in which cycle?
a. global water cycle b. atmospheric cycles c. sedimentary cycles d. solar-plant cycle e. all of these