Increased concentrations of carbon dioxide (CO2) (5% to 10%) and approximately 15% oxygen (O2) produce an environmental condition that best suits which type of organism?
a. Aerobes
b. Anaerobes
c. Capnophiles
d. Microaerophiles
C
Various types of microorganisms require different atmospheric conditions. Capnophiles grow best in the presence of increased levels of CO2.
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An amino acid contains a structural "backbone" chain of
A. nitrogens. B. phosphorus atoms. C. carbons. D. carbon and phosphorus atoms. E. nitrogens and carbons.
What are the functions of the hydrochloric acid produced by the stomach?
What will be an ideal response?
A mutation arises in an individual that decreases its fitness. This means that this individual's
A. ability to migrate long distances will decrease. B. probability of survival will decrease. C. contribution to the gene pool of the next generation will decrease. D. ability to find food will decrease. E. likelihood of having healthy offspring will increase.
In order for a girl to inherit hemophilia A, her parents would have which genotypes? Select one:
a. XHXH, and XHy b. XHXh, and XhY c. XhXh, and XHy d. XHXH, and XHY e. XHXh, and XHY