Zone of polarizing activity (ZPA) involves in which patterns of cell fates?

#Question id: 10374

#Unit 6. System Physiology – Plant

The stages in the formation of the symbiotic relationship between the nitrogen-fixing bacteria and their host, Arrange the given statements of symbiotic association in a stepwise manner;

 a) Migration of the bacteria toward the roots of the host plant by a chemotactic response mediated by chemical attractants

b) NodD with the flavonoids bind with the Promoter region of  highly conserved the nod box

c) These attractants activate the rhizobial NodD protein,

d) The chemical attractants especially (iso)flavonoids and betaines, secreted by the roots

e) Binding of the activated NodD to the nod box induces transcription of the other nod genes

 Which of the following from the above statements are correct arrangement of symbiosis?

#Question id: 4280

#Unit 3. Fundamental Processes

Translocation of proteins into mitochondria and chloroplasts is characterized by

#Question id: 166

#Unit 1. Molecules and their Interaction Relevant to Biology

For amino acids with neutral R groups, at any pH below the pI of the amino acid, the population of amino acids in solution will have:

#Question id: 17671

#Unit 9. Diversity of Life Forms

#Question id: 3271

#Unit 11. Evolution and Behavior

Consider hemophilia A, a clotting disorder caused by an X-linked recessive allele with a frequency (q) of approximately 1 in 10,000. The frequency of the disease among females and among male respectively