Practice Questions

TLS Online TPP Program

#Question id: 4317

Which of the following functions does the product of the p53 gene carry out?

#Molecular Biology

It inhibits the cell cycle.
It slows down the rate of DNA replication by interfering with the binding of DNA polymerase.
It causes cells to reduce expression of genes involved in DNA repair.
It allows cells to pass on mutations due to DNA damage.

More Questions

#Question id: 5075

#Zoology

Which of the following developmental processes has been most recently completed in the amphibian embryo shown here?

#Question id: 5076

#Zoology

Homeotic genes are responsible for:

#Question id: 5077

#Zoology

Humans and mice heterozygous for loss-of-function mutations in Pax6 have:

#Question id: 5078

#Zoology

A human blastomere is:

#Question id: 5079

#Zoology

The pattern of embryonic development in which only the cells lacking yolk subsequently undergo cleavage is called:

#Question id: 5080

#Zoology

As cleavage continues during frog development, the size of the blastomeres: