In the absence of ATP, the myosin head is firmly attached to the actin filament. 

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#Id: 2061

#Unit 8. Inheritance Biology

Number of phenotype =2n+1

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#Id: 10493

#Unit 4. Cell Communication and Cell Signaling

Some Cytotoxic T cells express on their surface FasL, a natural ligand molecule related to TNF

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#Id: 2794

#Unit 13. Methods in Biology

Plate height is simply related to the width of the analyte peak, expressed in terms of its standard deviation s , and the distance it travelled within the column, x. Specifically

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#Id: 9237

#Unit 6. System Physiology – Plant

Mesophyll cell (peripheral region)= Primary carboxylation and regeneration

Bundle sheath cell (internal region)= Decarboxylation and Secondary carboxylation

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#Id: 484

#Unit 2. Cellular Organization

Heterochromatic regions, silenced genes, and gene-sparse regions of chromosomes are typically localized to the nuclear periphery.