Each genetically distinct group of lymphocytes that possesses the same specificity is called a ________.

Fill in the blank(s) with the appropriate word(s).


clone

Biology & Microbiology

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Acridine orange is a purine base analogue.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The Three-Domain System of classification is based on differences in which one of the following molecules?

A) mRNA B) peptidoglycan C) rRNA D) tRNA

Biology & Microbiology

Replication of DNA is semi-conservative.

a. true b. false

Biology & Microbiology

An mRNA molecule leaves the nucleus containing the following base sequence: CAC GUA GUA CCC. Which is the correct complementary base sequence for translation? 

A. CAC GUA GUA CCC B. CAC GTA GTA CCC C. GUG CAU CAU GGG D. GTG CAT CAT GGG

Biology & Microbiology