Par-1 protein organizes microtubules specifically with their minus and plus ends at the anterior and posterior ends of the oocyte, respectively

TLS Online TPP Program

#Id: 6484

#Unit 3. Fundamental Processes

The total mass of TFIID typically is -800 kD

TAF has 2 enzymatic activities:

Histone acetyltransferase

Protein kinase

TLS Online TPP Program

#Id: 10427

#Unit 4. Cell Communication and Cell Signaling

miR-21 targets PTEN phosphatase

TLS Online TPP Program

#Id: 2284

#Unit 3. Fundamental Processes

Presence of the s-subunit permitted recognition of authentic RNA polymerase binding sites

TLS Online TPP Program

#Id: 3997

#Unit 2. Cellular Organization

In a natural closed DNA that is negatively supercoiled, the intercalation of ethidium bromide first removes the negative supercoils and then introduces positive supercoils.

TLS Online TPP Program

#Id: 1512

#Unit 2. Cellular Organization

In a microtubule,

The end with exposed β-subunits is the (+) end

The end with exposed α-subunits is the (−) end