Match the correct animal and their mechanism of germplasm specification.

Animal	Specification of germ cells
a. Drosophila	i. germplasm is characterized by polar granules and PIE-1 protein, and segregates into P4 during cleavage
b. Xenopus	ii. germplasm localized in vegetal region of egg
c. mammals	iii. germplasm specified by oskar at posterior end of egg
d. c. elegans	iv. Have no germplasm

TLS Online TPP Program

#Question id: 5229

#Unit 11. Evolution and Behavior

Two eukaryotic proteins have one domain in common but are otherwise very different. Which of the following processes is most likely to have contributed to this phenomenon?

TLS Online TPP Program

#Question id: 5057

#Unit 5. Developmental Biology

The major factor which is important in providing the competence for the ectoderm to respond to the inducers from the optic cup-

TLS Online TPP Program

#Question id: 12154

#Unit 10. Ecological Principles

What is true of two resources that act synergistically to determine the population growth of a particular species? 

TLS Online TPP Program

#Question id: 2481

#Unit 2. Cellular Organization

A drug that prevents microtubules from depolymerizing could be used to:

TLS Online TPP Program

#Question id: 3682

#Unit 3. Fundamental Processes

A mutated strain of E. coli replicates DNA normally at 25°C, but replication stops immediately when the temperature is raised to 37°C. Which protein is likely to be non-functional at the higher temperature?