Practice Questions

TLS Online TPP Program

#Question id: 277

Which statement is not true about histones?

#Unit 1. Molecules and their Interaction Relevant to Biology

They are positively charged at biological pH.
They only occur in eukaryotes.
Most species that have histones contain five different types.
There is wide variation in the amino acid sequences of histones among species.

More Questions

TLS Online TPP Program

#Question id: 31139

#Unit 2. Cellular Organization

Plasma membrane proteins such as receptor proteins bound to their ligands can be taken up in vesicles that bud from the plasma membrane, called as:

TLS Online TPP Program

#Question id: 31140

#Unit 2. Cellular Organization

The first vesicle trafficking step in the secretory pathway, is mediated by:

TLS Online TPP Program

#Question id: 31141

#Unit 2. Cellular Organization

COPII vesicle coated with coat proteins, called as:

TLS Online TPP Program

#Question id: 31142

#Unit 2. Cellular Organization

ARF GTPase drives the pinching off of:

TLS Online TPP Program

#Question id: 31143

#Unit 2. Cellular Organization

Which of the following protein couples a cycle of GTP binding and hydrolysis to the formation and then disassembly of the COPII coat?

TLS Online TPP Program

#Question id: 31144

#Unit 2. Cellular Organization

Inclusion of a nonhydrolyzable analog of GTP in the budding reaction, results: