How is the V gene promoter, which is inactive in immature lymphocytes, activated?

What will be an ideal response?


Ans: The joining of a V gene segment to a C gene segment puts the V gene promoter in a position close to an enhancer within the C gene segment. This proximity activates the promoter.

Biology & Microbiology

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Indicate whether the statement is true or false.

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For humans and most vertebrates, the body is supported primarily by ____

a. an exoskeleton b. only nonskeletal structures c. a hydrostatic skeleton d. an endoskeleton e. joined exo- and endoskeletons

Biology & Microbiology

Organisms living on the sediment surface of sandy and muddy beaches are collectively referred to as ________

Fill in the blank(s) with correct word

Biology & Microbiology

Algae are classified as part of which group?

A) Plantae B) Protista C) Fungi D) Archaea

Biology & Microbiology