Atomic nuclei contain protons and _______.
A. moles
B. neutrons
C. isomers
D. ions
B. neutrons
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The disease anthrax is caused by the pathogenic bacterium ________, which produces heat-resistant structures known as ________
A) Azotobacter chroococcum / endospores B) Azotobacter chroococcum / plasmids C) Bacillus anthracis / endospores D) Bacillus anthracis / plasmids
Some RNA viruses, such as HIV, require what enzyme (two words) to convert the viral RNA genome into a DNA version?
What will be an ideal response?
The breakup of large areas of habitat into small, isolated patches is called:a
extinction. b. habitat fragmentation. c. invasive species. d. unsuitable territory. e. habitat endangerment.
When the mammalian brain compares the actual temperature of the body to the preferred temperature of the body, which general component is being used?
A) sensor B) effector C) integrator