Select the correct answer.
photosynthetic organisms produce sugar molecules from radiant energy and inorganic substances. these sugar molecules are then used to
provide energy so the organisms can grow and move. which energy transformation occurs in the second step of this process?
on
chemical energy to mechanical energy
ob. mechanical energy to radiant energy
oc radiant energy to mechanical energy
od. mechanical energy to chemical energy
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During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.