An atom that has gained electrons is a
A. reactant.
B. negative ion.
C. positive ion.
D. compound ion.
B. negative ion.
You might also like to view...
N2 is an end product of ______________; NH3 is an end product of _______________
A. anammox; nitrogen fixation B. nitrogen fixation; anammox C. denitrification; anammox and nitrogen fixation D. anammox and denitrification; nitrogen fixation
The ultimate source(s) of energy, on which all living organisms depend, is(are) __________
a. the sun b. autotrophs c. primary producers d. the first trophic level
The term used to describe all of the chemical reactions within a cell is ________.
A. metabolism B. phosphorylation C. redox reactions D. catabolism E. cellular respiration
Which statement correctly describes transcription?
A) RNA chains of all genes are synthesized from the same DNA strand, with the growing RNA strand always starting at the 5' end and moving toward the 3' end. B) RNA chains of different genes can be transcribed from either DNA strand, with RNA polymerase traveling from the 5' end and moving toward the 3' end. C) RNA chains of all genes are synthesized from the same DNA strand, with the growing RNA strand always starting at the 3' end and moving toward the 5' end. D) RNA chains of different genes can be transcribed from either DNA strand, with RNA polymerase traveling from the 3' end and moving toward the 5' end.