While methane is produced abiotically in certain geochemically active areas, these sites are also hotspots for aerobic methane oxidation because they are rich in H2S, which microbes convert to sulfuric acid.
Answer the following statement true (T) or false (F)
True
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Genome sequencing of the parasitic protist Plasmodium falciparum has been completed. One of the results is
A. Plasmodium is highly genetically similar to its host, Anopheles. B. Plasmodium is highly genetically similar to its host, Drosophila. C. Plasmodium has a chloroplast-like apicoplast that could be targeted by drugs. D. Plasmodium produces fatty acids that are similar to ones found in humans and could be targeted by drugs.
Each of the following is a voltage-gated Na+ channel property except
A) opens rapidly when stimulated. B) closes rapidly in absence of stimulus. C) opens to a variable extent depending on how much the stimulus voltage exceeds the threshold voltage. D) has a voltage sensor helix that controls channel gating. E) can be inactivated by the inactivating particle part of the channel protein.
During prophase I of meiosis, homologous chromosomes lie side by side. This phenomenon is known as:
a. chromatid pairing. b. DNA replication. c. tetrad formation. d. paternal pairing. e. parental pairing.
During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA.
a. true b. false