Iron-reducing bacteria are obligately aerobic organisms that reduce ferric iron and oxidize hydrogen or organic compounds
Indicate whether the statement is true or false.
Answer: FALSE
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The chromosome in bacteria and archaea
A. forms a single linear strand of DNA. B. contains all the cell's plasmids. C. is located in the cell membrane. D. is part of the nucleoid.
Huntington's disease is governed by autosomal-dominant inheritance. What is the likelihood that a person who has one heterozygous-affected parent and one normal parent will develop the disease?
a. 100% (certain) b. 50% c. 0% (impossible) d. 75%
The chemical composition of the gases surrounding the Earth has changed substantially over the past 4 billion years. One notable change was due to the emergence of photosynthetic organisms. The process of photosynthesis increased the amount of what gas in the atmosphere?
A. Water vapor (H2O). B. Hydrogen sulfide (H2SO4). C. Carbon dioxide (CO2). D. Nitrogen (N2). E. Oxygen (O2).
Gamma hemolysis is also known as