Which of the following best describes archaea bacteria?
1.) can make you sick
2.) multicellular
3.) doesn't have a nucleus surrounding its genetic material
4.) only organism with genetic material

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

What are the proteins in connectivity tissues of your foot examples of?