This entails release of DnaC, which allows the DnaB helicase to become active. DnaC hydrolyzes ATP in order to release DnaB. This step marks the transition from initiation to elongation.

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: 6621

#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 2004

#Unit 8. Inheritance Biology

The color of our hair is caused largely by a pigment called melanin

a. Eumelanin-black or brown

b. Pheomelanin-red or yellow

TLS Online TPP Program

#Id: 2005

#Unit 8. Inheritance Biology

Melanin protects against the harmful effects of sunlight, and people with red hair are usually fair skinned and particularly susceptible to skin cancer.

TLS Online TPP Program

#Id: 2006

#Unit 8. Inheritance Biology

Melanocortin-1 receptor gene (MC1R) was located on human chromosome 16.

TLS Online TPP Program

#Id: 2007

#Unit 8. Inheritance Biology

Mendel’s Success

a. Pea flowers contain both male and female organs

b. The plant is easy to cultivate

c. Completing an entire generation in a single growing season

d. Produce many offspring