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In EDS, sum and escape peak artifacts become more significant at low count rates.

Which of the following SEM conditions will not increase the signal in CL?

What does James say about wealth? (select all that apply)

Tight junctions prevent movement of molecules across cell layers.

Once an RNA polymerase molecule has bound to a promoter site and locally unwound the DNA double helix, initiation of _______________ can take place.

During muscle contraction, thin actin filaments lengthen as they slide past thick myosin filaments.

All of the protein subunits of intermediate filaments are encoded by genes in the same gene family.

Myosin creates movements by exerting force on actin microfilaments using energy derived from GTP hydrolysis.

Robert Hooke discovered cells by looking at

Histone modification leads to changes in histone packing where methylation leads to looser packing and acetylation leads to tighter packing.