(mark )an enzyme is a catalyst used by living things to promote and regulate chemical reactions. what is the most likely enzyme for the chemical reaction depicted below? a) the enzyme pictured would work at a very low temperature in a very high phb) the inside picture would look at a very high temperature in a very low phc) enzymes work best only at specific temperatures and ph'sd) temperature and ph do not affect enzyme efficiency

Does mitochondria still meet the definition of a eukaryote why or why not?

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?