A chromosomal disorder occurs when a person’s cells do not have the correct number of chromosomes. How can you use a karyotype to diagnose a disease?

Need before 9:00 am 2/13/2020

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Look at the photo of the leaf. which term best describes this leaf?

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy