Which of the following modes of communication are seen among animals?
a) chemical
b) acoustical
c) visual
d) All of the above are modes of communication seen in animals.
e) Only a) and c) are modes of communication seen in animals.
Ans: d) All of the above are modes of communication seen in animals.
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You are examining an electron micrograph of cells obtained from a new deep-sea life form. Upon closer examination, you notice that there are two dark lines separated by a lightly stained region. These results are similar to the observation of which investigator(s) of membrane structure?
A) Robertson B) Gorter and Grendel C) Unwin and Henderson D) Overton E) Singer and Nicolson
The germ layers are formed in which stage?
a. cleavage b. fetus c. gastrula d. zygote e. blastula
Describe a DNA microarray setup for assaying mutations associated with a hypothetical genetic disease
What will be an ideal response?
The negative logarithm of the hydrogen ion concentration in the solution is referred to as:
A. -OH concentration B. atomic mass C. electronegativity D. specific heat E. pH