Contents

During development, how might one daughter cell becomes a neuron, while the other daughter cell becomes a skin cell? It is due to………..
a) asymmetric segregation of cellular determinants
b) inductive signaling between cells
c) migration of epiblasts medially across other cells             
d) both a and b

d

Asymmetric segregation of cellular determinants is based on the asymmetric localization of cytoplasmic molecules usually…………within a cell before it divides.
a) DNA                                  
b) RNA
c) proteins                  
d) both b and c

d

Which of the following is concerned with asymmetrical segregation of cellular determinant?
a) t RNA                                
b) mRNA
c) r RNA                                
d) DNA

b

During development, daughter cells receive………..localized molecules.
a) some receive most or all molecules
b) some receive less or no molecules
c) both a and b         
d) none of the above

c

During differentiation, more frequently it found that cells become different from one another as a result of ……….
a) asymmetric segregation of cellular determinants
b) inductive signaling between cells or from their external environment
c) migration of epiblasts medially across other cells             
d) both a and b

b

There are……..main ways in which signals can be passed between cells during differentiation.
a) two 
b) three           
c) four
d) five

c

Explanation: 1. Through extra cellular space,
2. Through direct contact and
3. Through gap junctions between cytoplasm



Contents Details