Which of the following events occur(s) following the binding of a ligand to a G protein–coupled receptor that triggers release of Ca2+?

a. activation of protein kinase A by IP3

b. phospholipase cleavage of PIP2 to IP3 and DAG

c. release of DAG into the cytosol

d. IP3-mediated opening of Ca2+ channels in the ER membrane

TLS Online TPP Program

#Question id: 11402

#Unit 9. Diversity of Life Forms

How can prokaryotes be considered to be more successful on Earth than humans?

TLS Online TPP Program

#Question id: 5601

#Unit 5. Developmental Biology

A mode of cell commitment in which the blastomere inherits a determinant, usually a set of transcription factors from the egg cytoplasm, and these transcription factors regulate gene expression to direct the cell into a particular path of development, termed as

TLS Online TPP Program

#Question id: 23692

#Unit 13. Methods in Biology

Why are yeast cells frequently used as hosts for cloning?

TLS Online TPP Program

#Question id: 10444

#Unit 6. System Physiology – Plant

Which protein is involved in the crosstock signalling with the phytochrome and initiates photomorphogenesis?

TLS Online TPP Program

#Question id: 8925

#Unit 9. Diversity of Life Forms

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?

1. tetrapods

2. vertebrates

3. deuterostomes

4. amniotes

5. bilaterians