The early energy reactions used hydrogen, which is a powerful ________ and could have been used to form ________
A) oxidant / the proton motive force
B) electron donor / the proton motive force
C) electron acceptor / oxygen
D) oxidant / oxygen
Answer: B
Biology & Microbiology
You might also like to view...
Which is the most efficient at initiating the classical pathway of the complement cascade?
A. IgA B. IgD C. IgM D. IgE
Biology & Microbiology
Genotype Number
DD 200 Dd 500 dd 300Refer to Table 19-1. The frequency of the Dd phenotype is: a. 0.1. b. 0.2. c. 0.3. d. 0.4. e. 0.5.
Biology & Microbiology
Copies of chromosomes linked together at their centromeres at the beginning of meiosis are appropriately called what kind of chromatids?
A) Sister B) Daughter C) Homologous D) Mother
Biology & Microbiology
Because a plant can grow indefinitely at the tips of the roots and shoots, we say that a plant's growth is:
A) limitless. B) indeterminate. C) determinate. D) annualized.
Biology & Microbiology