Which of the following are true for an element?

(i) Atomic number = number of protons + number of electrons

(ii) Mass number = number of protons + number of neutrons

(iii) Atomic number = number of protons = number of neutrons

(iv) Atomic number = number of protons = number of electrons

(a) (i) and (ii)

(b) (i) and (iii)

(c) (ii) and (iii)

(d) (ii) and (iv)

TLS Online TPP Program

#Id: 8872

#Section 3: Genetics, Cellular and Molecular Biology

The entire process of mitotic CDKs activation and entry into mitosis involves two positive feedback loops and coordination between events at the centrosome, in the cytoplasm, and in the nucleus.

TLS Online TPP Program

#Id: 8531

#Section 3: Genetics, Cellular and Molecular Biology

Dynamic instability 

Rapid interconversion between a growing and shrinking state, at a uniform free tubulin concentration

TLS Online TPP Program

#Id: 8884

#Section 3: Genetics, Cellular and Molecular Biology

This phosphorylation, together with phosphorylation of lamin B by protein kinase C, causes depolymerization of the lamin intermediate filaments.

TLS Online TPP Program

#Id: 10288

#Section 2: General Biology

TLS Online TPP Program

#Id: 8314

#Section 3: Genetics, Cellular and Molecular Biology

Each actin subunit (globular or G-actin) is a 375-amino-acid polypeptide contains a Mg+2 ion complexed with either ATP or ADP