Describe the structure of a phospholipid. List which part of the phospholipid is hydrophobic and hydrophilic. 

What is the Central Dogma?

What are the four major classes of macromolecules? 

The parents of a boy who is diagnosed with mumps ask the nurse whether there is special care that they should provide their child. All of the following responses would be appropriate except: 

The nurse in a preschool suspects that a 3-year old child may have mild strabismus. Which of the following signs/symptoms exhibited by the child has the nurse noted? Select all that apply.

In the strain of E. coli called O157:H7, the H refers to 

Which of the following Domains has peptidoglycan in its cell wall composition?

If hydrogen peroxide is added to a colony on a microscope slide, and bubbles appear, that is

Which of the domains lacks a membrane bound nucleus?

This technique has the benefit of allowing detection of small numbers of organisms, and detection of microorganisms that cannot be cultured.