Identify the role of water in photosynthesis

A) It is split to form sugar.
B) It is the final electron acceptor.
C) It is a waste product in the light reactions.
D) It is the initial electron releaser when split.


D

Biology & Microbiology

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The process in which NH4+ is oxidized to NO3- is called ____

a. nitrification b. ammonification c. nitrogen cycling d. nitrogen fixation e. nitrogen assimilation

Biology & Microbiology

Most biological molecules are joined by

A) hydrogen bonds. B) peptide bonds. C) covalent bonds. D) ionic bonds. E) disulfide bonds.

Biology & Microbiology

The earliest vascular plants on land had underground stems (rhizomes) but no roots. Water and mineral nutrients were most likely obtained by _____

A) diffusion through stomata B) absorption by mycorrhizae C) osmosis through the root hairs D) diffusion across the cuticle of the rhizome

Biology & Microbiology

A few species of actinomycetes have been found to be pathogenic in humans, other animals, and plants.

Answer the following statement true (T) or false (F)

Biology & Microbiology