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.
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An RNA genome itself serves as mRNA in negative-stranded RNA viruses
Indicate whether the statement is true or false.
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
Organisms living on the sediment surface of sandy and muddy beaches are collectively referred to as ________
Fill in the blank(s) with correct word
Algae are classified as part of which group?
A) Plantae B) Protista C) Fungi D) Archaea