4. Which of the following infectious diseases are a challenge to form a vaccine for due to their constant mutations? (Choose all that apply)

influenza

U measles

LHIV

polio

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Building glycogen from glucose molecules is an example of what