Telomere shortening puts a limit on the number of times a cell can divide. Research has shown that telomerase can extend the life span of cultured human cells. How might adding telomerase affect cellular aging?

TLS Online TPP Program

#Question id: 1497

#Unit 4. Cell Communication and Cell Signaling

In children with retinoblastoma, the chromosomal deletion that is present in all of their cells indicates that the chromosomal aberration:

TLS Online TPP Program

#Question id: 12408

#Unit 6. System Physiology – Plant

Cleavage of the carotenoid by the enzyme NCED (9-cis-epoxycarotenoid dioxygenase) is a rate-limiting highly regulated step in ABA synthesis that produces the 15-carbon precursor molecule xanthoxin in

TLS Online TPP Program

#Question id: 28569

#Unit 5. Developmental Biology

Which of the following factor is responsible for the activation of the histidine phosphatase activity of DhkA ?

TLS Online TPP Program

#Question id: 28775

#Unit 2. Cellular Organization

Zellweger syndrome an autosomal recessive mutations that cause______

TLS Online TPP Program

#Question id: 12633

#Unit 6. System Physiology – Plant

In the absence of BRs, BRI1 and BAK1 can form inactive homodimers, which of the following activity is inhibited  these BRs receptor?