The polymer trapping model explains that, Plasmodesmata between the  Bundle sheath cell  and intermediary cells must be smaller that allows only selective sugar to diffuse from this Plasmodesmata such as;

TLS Online TPP Program

#Question id: 11590

#Unit 6. System Physiology – Plant

Seed germination may require gibberellins for one of several possible steps:

TLS Online TPP Program

#Question id: 33531

#Unit 2. Cellular Organization

The data obtained during DNA microarray analysis showing wildtype vs. mutant expression of genes under different conditions, represented as

TLS Online TPP Program

#Question id: 2151

#Unit 2. Cellular Organization

Which of the following statement(s) is (are) true of transmembrane proteins?

a. All contain a hydrophobic α helix.

b. Some serve as membrane attachment sites for peripheral membrane proteins.

c. Some contain more than one membrane-spanning domain.

d. All are asymmetrically oriented in the lipid bilayer.

TLS Online TPP Program

#Question id: 2312

#Unit 2. Cellular Organization

Membranous sac-like structures that are formed from the Golgi apparatus are called

TLS Online TPP Program

#Question id: 29585

#Unit 6. System Physiology – Plant

Plant viruses are