Merotelic attachment 

A kinetochore can attach to microtubules emanating from both poles at the same time

TLS Online TPP Program

#Id: 8620

#Section 3: Genetics, Cellular and Molecular Biology

A second class of CKIs found in metazoan cells is the Cip/Kip family of CKIs, consists of three proteins—p21CIP, p27KIP1, and p57KIP2. 

TLS Online TPP Program

#Id: 7935

#Section 3: Genetics, Cellular and Molecular Biology

The SRP is a cytosolic ribonucleoprotein particle that transiently binds to both the ER signal sequence in a nascent protein and the large (60S) ribosomal subunit, forming a large complex.

TLS Online TPP Program

#Id: 10347

#Section 2: General Biology

Transitional B cells bound for a follicular fate undergo positive and negative selection in the spleen.

TLS Online TPP Program

#Id: 8226

#Section 3: Genetics, Cellular and Molecular Biology

I-cell disease

• almost all of the hydrolytic enzymes are missing from the lysosomes of many cell types.

• mis-sorting has been traced to a defective or missing GlcNAc phosphotransferase.

TLS Online TPP Program

#Id: 8603

#Section 3: Genetics, Cellular and Molecular Biology

G1 Cyclin–CDKs

In human - cyclin D-CDK 4 

cyclin D-CDK 6

In budding yeast - CIn 3-Cdc 28