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

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

Explain why hiv is a life-threatening sti.

What should i do when a baby has gas at night?