Why is biomass a better alternative to natural gas?
a. biomass does not need to be burned.
b. biomass creates radioactive waste.
c. biomass takes less time to form.
d. biomass does not release carbon dioxide.

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes