The increase in K+ permeability hyperpolarizes the membrane, which reduces the frequency of heart muscle contraction.

TLS Online TPP Program

#Id: 9309

#XL - T Zoology

Autosomal recessive mutations in the RPE65 gene are a frequent cause of blindness in children.

TLS Online TPP Program

#Id: 8644

#XL - T Zoology

Phosphorylation on multiple sites by G1 CDKs blocks Rb from associating with E2F and promotes its export out of the nucleus.

TLS Online TPP Program

#Id: 5490

#XL - T Zoology

Iteroparity - Repeated reproduction at intervals throughout the life cycle. It is common in most vertebrates and perennial plants, such as trees

TLS Online TPP Program

#Id: 8757

#XL - T Zoology

A fully folded 100-residue protein is only about 40 kJ ∙ mol−1 more stable than its unfolded form (for comparison, the energy required to break a typical hydrogen bond is ∼20 kJ ∙ mol−1).

TLS Online TPP Program

#Id: 9380

#XL - T Zoology

Innate behaviour

Reflex - Allow us to move in response to something in the environment.

The reflex which causes us to close our eyes when something flashes towards us, or to withdraw a foot when we step on a sharp object.