The oxygen-free gas commonly employed during anoxic incubation of a bacterial culture is a mixture of
A) nitrogen and carbon dioxide.
B) nitrogen and carbon monoxide.
C) nitrogen and argon.
D) nitrogen and hydrogen.
Answer: A
You might also like to view...
You inherited from your mom both her crooked nose and her recipe for chocolate chip cookies (both favorable traits). Which trait will be spread more quickly through the
A. the nose because it is a genetically based trait B. the recipe because it is a genetically based trait C. the nose because it can be passed on to all relatives D. the recipe because it can be passed on to all relatives E. They are both advantageous traits and spread at the same rate. F. It depends on if you are male or female.
During translation, which one of the following is required for translocation of the ribosome along the mRNA?
a. tRNA synthetase b. a translation initiation factor c. translation elongation factor EF-Tu d. translation elongation factor EF-G
All groups of living organisms share several key characteristics or functions
What will be an ideal response?
Indicate whether each statement is true or false and then provide the explanation for why the statements are either true or false. Receptors for signaling molecules are always integral membrane proteins on the surface of responding cells
What will be an ideal response?