When is passive Immunization  given?

a. Exposure of toxin cause immediate response 

b. Exposure to pathogen that can cause death faster rather than faster activation of immunity

c. Exposure of venom cause immediate threat to life 

d. Abundance of immunity

#Question id: 10409

#Unit 6. System Physiology – Plant

#Question id: 8958

#Unit 9. Diversity of Life Forms

#Question id: 2476

#Unit 2. Cellular Organization

The alpha and beta tubulin proteins can bind:

#Question id: 1483

#Unit 4. Cell Communication and Cell Signaling

The apoptosome serves as an activation machine for the:

#Question id: 2529

#Unit 2. Cellular Organization

Cell walls commonly are classified into two major types. This classification is based not on structural or biochemical differences;

A) primary walls and

B) secondary walls

i) walls formed during cell growth

ii) walls that are formed after cell enlargement stops

iii) multilayered walls that are strengthened and waterproofed by lignin

iv) Usually they are thin and simple, but some times may be thick and multilayered, such as those found in collenchyma or in the epidermis

v) highly specialized in structure and composition, reflecting the differentiated state of the cell

Which of the following is the correctly represents features of primary and secondary walls?