Plants require a lot of water for transpiration, metabolism, and photosynthesis. How is water used in photosynthesis?
A. To combine with ADP forming ATP
B. As an electron acceptor
C. To combine with NADP+ to form NADPH
D. As a substrate for ATP synthase
E. As an electron donor
E. As an electron donor
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Which well-known paleontologist created a global database of marine animal families to study changes in diversity through time?
A) Charles D. Walcott B) Jere H. Lipps C) David Raup D) Michael Foote E) Jack Sepkoski
Eukaryotic chromosomes consist of
A) DNA alone. B) DNA complexed with protein. C) DNA complexed with RNA. D) DNA complexed with fatty acids. E) DNA complexed with protein and RNA.
Egg cells are fertilized in the
A. cervix. B. vagina. C. ovary. D. oviduct.
The location of a particular gene on a chromosome is called its _______.
Fill in the blank(s) with the appropriate word(s).