Negative membrane potential may allow calcium channels to be opened and permit calcium to enter the sperm. 

TLS Online TPP Program

#Id: 2083

#Unit 8. Inheritance Biology

Chromosomes are classified into four basic

a. Metacentric chromosome

b. Submetacentric chromosome

c. Acrocentric chromosome

d. Telocentric chromosome

TLS Online TPP Program

#Id: 6620

#Unit 7. System Physiology – Animal

Activin is also produced by ovarian granulosa cells and stimulates FSH secretion.

TLS Online TPP Program

#Id: 1703

#Unit 4. Cell Communication and Cell Signaling

Neutrophils phagocytose (engulf) bacteria very effectively, and also secrete a range of proteins that have antimicrobial effects and tissue remodeling potential.

TLS Online TPP Program

#Id: 6427

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 1392

#Unit 4. Cell Communication and Cell Signaling

The giant protein titin extends through the thick filaments and attaches to the Z disk.