During the winter of 2009, you contracted the influenza a (h1n1) virus, or swine flu. which type of cell would recognize the virus, and what would be the cell's response?

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 a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome