Why is it important to get enough sleep each night?

a. because adequate sleep is as important to fitness as exercise and healthy eating
b. because sleep requirements may interfere with nutrition requirements
c. because adequate sleep guarantees a stress free day
d. because sleep requirements may interfere with exercise schedules

The virus genome and viral proteins are assembled into virions (virus particles) during ) the lytic cycle and the lysogenic cycle in all known host organismsb) the lysogenic cycle onlyc) the lytic cycle onlyd) the lytic cycle in all host organisms but the lysogenic cycle only in bacteria

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

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases