In the second phase of photosynthesis, chemical energy + __________ = sugar
a. carbon dioxide
b. nitrogen
c. oxygen
d. water
A
You might also like to view...
In a forest, trees that get more sunlight grow taller than other nearby trees. This is a form of ______
A. natural selection. B. directional selection. C. artificial selection. D. disruptive selection. E. stabilizing selection.
Recent research has indicated that for human _____, vocal pitch changes may be associated with fertility
a. males b. females c. males and females d. females during menopause e. males during puberty
Which structure "unzips" the double helix of DNA during transcription?
A. an anticodon B. mRNA C. IRNA D. RNA polymerase
Shingles is a medical condition that usually occurs years after chickenpox, even though no illness is present in the intervening period of time. This occurs because human herpes virus-3 (HHV-3) is capable of __________.
A. latent infection B. lytic infection C. persistent infection D. lysogenic infection