Lactose is
a. a disaccharide.
b. an energy source for plants.
c. a polysaccharide.
d. also known as table sugar.
e. a form of starch.
A
You might also like to view...
In T7, the proteins that inhibit the host restriction system are synthesized
A) before the entire T7 genome enters the cell. B) while the T7 genome is entering the cell but before it enters the nucleus. C) after the T7 genome is completely within the host cytoplasm. D) in response to the T7 genome binding to the host chromosome.
Which of the following statements about the 5? cap and mRNA processing is TRUE?
A. The addition of a 5? cap to mRNA occurs while the pre-mRNA is being made. B. The 5' cap helps stabilize the mature mRNA. C. The 5'?cap prevents the degradation of mature mRNA. D. The 5' cap is added to the pre-mRNA by splicesomes. E. The 5' cap is a group of adenosine molecules.
A researcher exposes a nonvirulent strain of Streptococcus pneumoniae to heat-killed cells of a virulent strain. After
exposure, the bacterial cells will be ____.
a. transduced b. artificially transformed c. transformed d. nonvirulent e. conjugated
Which molecule is believed to have preceded the other three during the evolution of life?
A. DNA B. ATP C. Proteins D. RNA