What is a substitution of a purine for a purine specifically called?
a. a frameshift mutation
b. a mismatch mutation
c. transversion
d. transition
e. suppression
Ans: d
You might also like to view...
A tissue sample is sent to the laboratory and microscopically examined for the presence of amebae. To differentiate between the host cells and the organism, _______ stain is used to allow the organisms to appear bright pink with a green-blue background
a. Trichrome b. Giemsa c. Wright's d. periodic acid–Schiff (PAS)
Explain the second law of thermodynamics in your own words, and briefly explain how this law applies to living
organisms. What will be an ideal response?
Of the following structures, which one is not made of specialized leaf cells?
A. Sclereids B. Guard cells C. Trichomes D. Tendrils E. Spines
In one butterfly species, the colors of individuals range from white to black, with many shades of gray in between
If the butterflies in a mountain population become more and more similar in color over several generations (e.g., if most butterflies are the same shade of gray), what kind of evolutionary force is likely acting on the population? A) Artificial selection B) Stabilizing selection C) Directional selection D) Disruptive selection