MutS has an ATPase activity that is required for mismatch repair, in Escherichia coli, mismatches are detected by a dimer of the mismatch repair protein MutS.

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#Id: 4017

#Unit 2. Cellular Organization

Chromosomes occupy chromosome territories in the nucleus and are not entangled with each other.

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

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#Id: 7968

#Unit 10. Ecological Principles

  Hydrologic cycle

      

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#Id: 1606

#Unit 5. Developmental Biology

Cells passing through the more posterior portions of the primitive streak give rise to the majority of mesodermal tissues.

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#Id: 5673

#Unit 7. System Physiology – Animal

The resting membrane potential of the hair cells is about

–60 mV. 

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#Id: 9519

#Unit 6. System Physiology – Plant

Many different types of bacterial Avr effectors delivered by type III secretion have been identified to be enzymes such as phosphatases, proteases, phosphoserine lyases, or E3 ubiquitin ligases that attenuate host defense signaling.