Explain the technique of electrophoretic separation of DNA fragments

What will be an ideal response?


A mixture of different sized DNA molecules are subjected to an electric field, and migrate through a semisolid matrix such that smaller fragments travel further in the matrix.

Biology & Microbiology

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The carrying capacity of an environment is

increased by

a. pollution. b. predation. c. disease. d. population growth. e. none of these

Biology & Microbiology

Roots are involved in all EXCEPT which of

the following activities?

a. support b. food storage c. food production d. anchorage e. absorption and conduction

Biology & Microbiology

In all plants, gametes unite at fertilization to form a ____

a. spore b. gametophyte c. sporophyte d. zygote e. seed

Biology & Microbiology

Regarding the trp operon, trpR- maps to a considerable distance from the structural genes. The mutation either inhibits the interaction with tryptophan or inhibits repressor formation entirely

In the presence of tryptophan in the medium, would you expect the trp operon to be transcriptionally active? Explain.

Biology & Microbiology