I- Homogamous head

This type of inflorescence exhibits single kind of florets. 

disc florets alone or ray florets alone

II- Heterogamous head; 

The inflorescence possesses both types of florets.

Example;   Helianthus

TLS Online TPP Program

#Id: 9155

#XL - T Zoology

Inbreeding coefficient (F)

Probability that an individual has two identical alleles for a given gene.

Inbreeding coefficients can range from 0 to 1.

TLS Online TPP Program

#Id: 10337

#XL - Q Biochemistry

Surface protein on B cell

CR2(CR21)

CD19

TAPA-1(CD81)

mIg 

Igα/ Igβ

(CD79a and CD79B)

TLR

CD40

B7(CD80/86)

ICAM-1

MHC-1 and 2 both

CD 22

TLS Online TPP Program

#Id: 8651

#XL - T Zoology

S phase cyclin-CDK accumulates in late G1 , they are immediately inactivated by binding of a CKI called Sic1

TLS Online TPP Program

#Id: 9871

#XL - R Botany

The UVR8- COP1-SPA complex then activates the transcription of the major transcription factor HY5, which controls the expression of many of the genes induced by UV-B.

TLS Online TPP Program

#Id: 10019

#XL - T Zoology

Hh binds to Ptc, causing Ptc to be endocytosed from the cell surface and degraded, relieving the inhibition of Smo.