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__________ stated that natural selection is the mechanism behind descendants with modifications?

True or False:  A molecule’s shape is usually very important to its function.  A molecule’s shape is determined by the positions of its atoms’ valence orbitals.

The first experiment that was able to synthesize organic molecules from inorganic substances made from pure elements is:

True or False: In a solution, the solute is the dissolving agent.  The solvent is the substance that is being dissolved.

Which of the following is FALSE about water?

True or False: Electrons in a lower electron shell will have more energy than electrons in a higher electron shell.  Inert elements have an incomplete valence shell.

True or False: When living organisms transform energy from one form to another, some energy is lost as heat.  Heat is a form of potential energy.

Which of the following amino acids is a non-polar amino acid?

In 1828, Friedrich Wohler synthesized urea from ammonium and cyanate ions to demonstrate that organic molecules can be synthesized outside of an organism.  However, the scientific community was still skeptical about this view of mechanism over vitalism.  What was the main reason behind their skepticism about the results of his experiment?

Steroid sex hormones such as estradiol and testosterone  are derived from: