Select all that apply. functional groups are a group of molecules attached to a carbon-based core of an organic molecule. key functional groups are aminos carbonyls proteins phosphates carbohydrates

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

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.

The higher the proportion of loci that are "fixed" in a population, the lower is that population's a) nucleotide variability.b) average heterozygosity.c) diploidy.d) a and b e) a, b, and c