What happens during external respiration in the lungs? Question 3 options:

Oxygen passes into the blood and carbon dioxide passes out of the blood

Oxygen passes out of the blood and carbon dioxide passes into the blood

Oxygen and carbon dioxide pass into the blood

None of the above

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Why is it often difficult to get funding for local parks? a. state governments do not like to grant permits for local parks. b. federal regulations prohibit most fund raising. c. there is often a small tax base. d. federal funding cuts have all but stopped local construction of parks.

If a viral host cell has a mutation that interferes with the addition of carbohydrates to proteins in the golgi, which of the following could likely result? a) the viral envelope proteins would not be glycosylated and might not arrive at the host plasma membrane. b) the viral capsid proteins would not be glycosylated and might not arrive at the host plasma membrane. c) the viral core proteins would not be glycosylated and might not arrive at the host plasma membrane. d) the virus would be unable to reproduce within the host cell