Answer the following question given this paragraph: In a closed system, energy may change forms but the total amount of energy is constant. Q: In what system can energy change forms but the total amount of energy stay constant? Choices: - open - primary - heterogeneous - closed A:
closed
Answer the following question given this paragraph: Q: What is the key issue in the small-population approach? Choices: - disease variation - genetic mutation - alternative variation - genetic variation A:
genetic variation
Q: Answer the following question given this paragraph: Many pathogens spread by droplets in the air. Droplets are released when a person coughs or sneezes, as you can see in Figure below . The droplets may be loaded with pathogens. Other people may get sick if they breathe in the pathogens on the droplets. Viruses that cause colds and flu can spread this way. Q: Many pathogens spread by droplets in the air. droplets are released when a person does what? Choices: - cries or laughs - itches or scratches - vomits or cries - coughs or sneezes A:
A: coughs or sneezes
Question: Answer the following question given this paragraph: A pulsar is a rotating neutron star that emits radiation in pulses. A pulsar can only be seen when the beam is pointing toward Earth. Pictured below is a nebular that looks like a cosmic hand ( Figure below ). There is a bright swirl of gas in the wrist of the hand. A very tiny but bright neutron star is in the center of that swirl. Q: What kinds of neutron stars emit radiation in pulses? Choices: - quasars - red giants - dwarf stars - pulsars A:
Answer: pulsars
*Question*
Answer the following question given this paragraph: Beneath the lithosphere, the asthenosphere is solid rock that can flow. Q: What is located beneath the lithosphere? Choices: - hydropshere - troposphere - magnetosphere - asthenosphere A:
**Answer**
asthenosphere
*Question*
Answer the following question given this paragraph: Cyanide inhibits cytochrome c oxidase, a component of the electron transport chain. If cyanide poisoning occurs, would you expect the pH of the intermembrane space to increase or decrease? What effect would cyanide have on ATP synthesis?. Q: Which component of the electron transport chain does cyanide inhibit? Choices: - succinate dehydrogenase - adenosine diphosphate - mitochondrial matrix - cytochrome c oxidase A:
**Answer**
cytochrome c oxidase