Sedimentation coefficients are proportional to the molecular weight of a particle and are not affected by the volume and shape of the particle.

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


False

Biology & Microbiology

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Which of the following is not true of histone tails?

A. They protrude between the two DNA strands that supercoil around the nucleosome. B. They are the target of numerous chemical modifications. C. They experience changes in net charge, shape, and other properties of histones in response to modifications. D. They are recognized by acetylases and methylases. E. They have enzymatic properties that can covalently modify DNA.

Biology & Microbiology

The major histocompatibility complex directs the production of proteins called

A. class IV. B. class II. C. class I. D. both class I and class II. E. both class I and class IV.

Biology & Microbiology

LPS is found in the outer membrane of Gram-__________ cells.

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

Biology & Microbiology

The layer of the digestive tract that contains smooth muscle is the ________

Fill in the blank(s) with correct word

Biology & Microbiology