1. What are the reactants or cellular respiration? 2. Which process produces more ATP?

3. Our bodies cannot produce ATP without oxygen. True or false?

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

The activity of the modern sample is 1.10 bq . how long does that measurement take?