Which occurs when you inhale?

a.

oxygen moves into your bloodstream.

b.

your diaphragm moves down and your rib cage expands.

c.

your diaphragm pushes up and your ribs move in and down.

d.

air moves past the epiglottis and into the trachea.

The is a thin membrane that transmits sound waves into the middle ear.

Which of the following could use reverse transcriptase to transcribe its genome? a) ssrnab) dsrnac) ssdnad) dsdna

Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.