Which of These Experiments Would NOT Be a Reason to Fractionate

question 44

Multiple Choice

Which of these experiments would NOT be a reason to fractionate bacterial cells?

• A) to obtain membrane fractions to study transport proteins
• B) to purify ribosome subunits to study translation
• C) to obtain periplasmic proteins to study chaperons from that space
• D) to obtain cytoplasmic proteins such as FtsZ
• E) to study the growth rate of E. coli in the presence of lactose

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Definitions:

Sternocleidomastoid

A muscle located in the neck that is responsible for turning the head side to side and nodding.

Sternal Manubrium

The triangular upper portion of the sternum that articulates with the clavicles and the first two pairs of ribs.

Mastoid Process

A protruding bony area located behind the ear on the skull that contains air cells and serves as an attachment site for neck muscles.

Superior Nuchal Line

A ridge on the external surface of the occipital bone of the skull, running horizontally from the external occipital protuberance to the mastoid part of the temporal bone.