How does the body respond to decreased oxygen levels at altitude while acclimating for a week?

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?

What molecule contains an organisms genetic material, passed down from parents to their offspring