According to the endosymbiotic theory of eukaryotic cell development, the _____________________ and the _________________ were once living prokaryotic cells that became incorporated into a larger cell.

Calculate the wavelength of light in nm associated with the transition from n = 2 to n = 4 in the hydrogen atom. ΔE=RH (1/n2f – 1/n2i)       RH= 2.18×10-18 J/atom;     c = 3 x 108 m/s      h=6.626 x 10-34  J s (Show work for full credit)

What is the electron configuration of O-2 ion?  

Once again, sulfur has an atomic number of 16 and a mass number (atomic mass) of 32. How many neutrons does a sulfur atom contain.

In living cells, ribosomes function by:

Plasmodesmata are specialized cell connections that are found in ________________________ cells.  

 Chromoplasts are important since they:

In an acid, bicarbonate would:

Arrange the following interactions in terms of their strength from strongest to weakest.   1) Hydrogen Bonds               2) Ionic Bonding                     3) Van der waals interactions          4) Covalent Bonding

Which of the following is classified as being a monosaccharide?