What iron-containing compound carries oxygen in the bloodstream?

Predict the effect of mutations on organisms.

What do mitochondrial and thylakoid membrane have in common

What would most likely to happen to the carbon cycle if there were no more plants on earth

When carrying out the Gram stain procedure, adding too little or too much alcohol to the sample is a common mistake. Suppose a student added too little alcohol to a sample of Gram-negative bacteria. What would she observe? Why?

The bones of a bird are hollow why would this be an disadvantage for a bird

All organisms in the kingdoms protista, plantae, fungi, and animalia are

If you looked at heart cells, would you expect to see a lot of mitochondria or only a few? Why?

Which of the below is TRUE regarding desertification? a. It is likely to happen in any type of climate b. It produces rich desert ecosystems c. It is not usually impacted by droughts or climate change d.

What is considered a pre existing medical condition?

Humans do not eat the algae directly from the ocean, so how can we still be affected by it?