If an atom has the atomic number 4 and the atomic mass 9.012 it will have ________ electrons in the first energy level.
A. 1
B. 2
C. 3
D. 4
A. 1
Biology & Microbiology
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NADH transfers electrons to oxygen through which process?
a. glycolysis b. acetyl CoA formation c. the Krebs cycle d. electron transfer phosphorylation e. substrate-level phosphorylation
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DNA replaced RNA as the main information
molecule probably because a. DNA contains thymine and RNA does not. b. DNA is double stranded and breaks less easily. c. DNA can store more protein-building instructions in less space. d. RNA is highly unstable. e. two of these are correct
Biology & Microbiology
Lichens and humans
What will be an ideal response?
Biology & Microbiology
The transfer of electrons from chlorophyll a molecules to the primary electron acceptor is an example of a/an:
A) synthesis reaction. B) redox reaction. C) light reaction. D) absorption reaction.
Biology & Microbiology