Arrange the following electron carriers in the electron transport chain, based on their standard reduction potentials.Cytochroms a3(Fe3+) + e? ? Cytochrome a3 (Fe2+) Eo (volts) = 0.35Ubiquinone + 2H+ + 2e? ? Ubiquinone H2 Eo (volts) = 0.10Cytochrome a (Fe3+) + e? ? Cytochrome a (Fe2+) Eo (volts) = 0.29Cytochrome c (Fe3+) + e? ? Cytochrome c (Fe2+) Eo (volts) = 0.25
A. cytochrome c - ubiquinone ? cytochrome a ? cytochrome a3
B. cytochrome a3 ? cytochrome a ? cytochrome c ? ubiquinone
C. ubiquinone ? cytochrome a ? cytochrome a3 ? cytochrome c
D. ubiquinone ? cytochrome c ? cytochrome a ? cytochrome a3
Answer: D
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As scientists were unraveling the mysteries associated with transcription and translation in eukaryotes, they discovered there was not a one-to-one correspondence between the nucleotide sequence of a gene and the base sequence of the mRNA it codes for
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A marine biologist is conducting research on animals that have a lophophore and two calcified shells. Based on this information, this animal must belong to the phylum
A. Mollusca. B. Phoronida. C. Ectoprocta. D. Bryopoda. E. Brachiopoda.
What happens when living R strain Streptococcus pneumoniae bacteria are mixed with heat-killed S strain
Streptococcus pneumoniae bacteria?
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Consider the DNA sequence GATTACA. If the strand with this sequence forms a double helix with
another DNA strand, the sequence on the other strand should be ____.
a. TCGGCAC b. GATTACA c. ACATTAG d. GTGCCGA e. CTAATGT