The bacterial cell wall is composed of a macromolecular network called peplidoglycan (also known as murein) which is present either alone or in combination with other substances

TLS Online TPP Program

#Question id: 28687

#Unit 2. Cellular Organization

Which of the following organelles contain high concentration of Ca2+-binding proteins which facilitates Ca2+ storage?

TLS Online TPP Program

#Question id: 28688

#Unit 2. Cellular Organization

Ca2+ is released into the cytosol from the ER lumen through the operation of____

TLS Online TPP Program

#Question id: 28689

#Unit 2. Cellular Organization

 A special type of endoplasmic reticulum of muscle cells that involved in increasing the cytosolic Ca2+ concentration for skeletal muscle contraction ? 

TLS Online TPP Program

#Question id: 28690

#Unit 2. Cellular Organization

A pathway of protein trafficking that flows through the ER is called____

TLS Online TPP Program

#Question id: 28691

#Unit 2. Cellular Organization

ER targeting sequence___

TLS Online TPP Program

#Question id: 28692

#Unit 2. Cellular Organization

Which one of the following statements about signal recognition particles (SRPs) is correct?

a) It is a cytosolic ribonucleoprotein

b) It docks with a receptor on the surface of the ER membrane.

c) It is an integral membrane protein

d) It transiently binds to both the ER signal sequence at the C-terminus and the large (60S) ribosomal subunit

e) It acts as a scaffold for the hexamer