Antibodies can clump pathogens together in a process known as ______.

A. covalent cross-linking
B. gluon formation
C. Fc attachment
D. agglutination


Answer: D. agglutination

Biology & Microbiology

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Scientists using RNA in situ hybridization techniques observed that a transcription factor called macho-1 localized to some cells during early cleavage, but not others. Descendents of the cells expressing macho-1 produced mesoderm

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The development of a cancer requires both the _______ of an oncogene and the ________ of a tumor suppressor

A. activation; inhibition B. inhibition; activation C. inhibition; inhibition D. activation; activation

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Imagine that you are an archaeologist on a dig somewhere on an East Asian island and than you begin to excavate an area littered with stone tools that also has the remains of an ancient fire

Subsequent carbon dating of the charcoal from the fire yields a date of 100,000 years before the present. Given these circumstances, which species would you expect most likely set that fire? A) Australopithecus afarensis B) Homo erectus C) Homo ergaster D) Ardipithecus ramidus

Biology & Microbiology

Pasteurization is a more rigorous process than canning

Indicate whether the statement is true or false

Biology & Microbiology