The bell rings at the end of class and you jump up to head for the door. When you stand up, you feel light-headed. What happens in your body to keep you from continuing to feel light-headed? List any body system that might be suppressed. Explain why.
Is this an example of positive feedback or negative feedback? Explain why.

How do living things obtain phosphorus

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now

If people from georgia have just experienced an extremely cold winter the last couple of months, what would the climate most likely be classified as? polar temperate maritime tropical