Isovolumetric Ventricular Contraction As soon as ventricular pressure exceeds atrial pressure, the AV valve closes. 

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#Id: 6752

#Unit 8. Inheritance Biology

The exchange of bacterial genes clearly required direct contact, between the bacterial cells

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#Id: 1659

#Unit 4. Cell Communication and Cell Signaling

Passive immunization, in which preformed antibodies are transferred to a recipient.

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#Id: 8922

#Unit 2. Cellular Organization

Centralspindlin-Ect2 complex catalyzes activation of RhoA, leading to cleavage furrow formation and division of the cytoplasm to form two completely separate cells.

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#Id: 6140

#Unit 3. Fundamental Processes

UV-induced cyclobutane pyrimidine dimers (CPDs), are not well recognized by XPC. In this case, the DNA damage-binding (DDB) complex assists in recruiting XPC to this type of damage.

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#Id: 9227

#Unit 6. System Physiology – Plant

The specificity factor (W) estimates the preference of rubisco for CO2 versus O2

where Vc and Vo  are the maximum velocities for carboxylation and oxygenation, respectively, and Kc and Ko are the Michaelis–Menten constants for CO2 and O2, respectively